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Gary D. Friedman, MD, MS

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Kaiser Permanente Division of Research
2000 Broadway
Oakland, CA 94612

(510) 891-3542 (phone)
gary.friedman@kp.org


 
Gary Friedman, MD, MS, is a research scientist emeritus at the Kaiser Permanente Northern California Division of Research; and consulting professor, Department of Health Research and Policy, Stanford University School of Medicine. Dr. Friedman began working at the Division of Research in 1968 as senior epidemiologist, then became assistant director for epidemiology and biostatistics, and served as its director from 1991 to 1998. His research interests include the epidemiology of cancer, cardiovascular disease, and gallbladder disease; the health effects of tobacco, alcohol and medicinal drugs; and the evaluation of screening tests. Dr. Friedman is also an editor of the American Journal of Epidemiology and on the editorial board of the Journal of Medical Screening. From 1989 to 2002 he was supported, in part, by an Outstanding Investigator Grant from the National Cancer Institute. Dr. Friedman served as president of the American Epidemiological Society from 1999-2000; and in 2000, he was awarded a Distinguished Service Award from the University of Chicago s Medical and Biological Sciences Alumni Association. Dr. Friedman s scientific publications number over 300. He was one of the first researchers to conduct extensive epidemiological studies in the setting of a health maintenance organization. More information about Dr. Friedman s epidemiologic career can be found in the Gary Friedman Symposium, published in the Fall 1998 issue of the Permanente Journal, available at:

Current Position(s):

  • Adjunct Research Scientist, Division of Research, Kaiser Permanente Northern California
  • Consulting Professor of Epidemiology, Department of Health Research and Policy, Stanford University School of Medicine

    Primary Research Interests:

    • Cancer
    • Cardiovascular disease
    • Gallbladder disease
    • Effects of smoking
    • Effects of alcohol
    • Effects of medicinal drugs
    • Efficacy of screening tests

      No results found matching criteria
      No results found matching criteria

      Haloperidol and Prostate Cancer Prevention: More Epidemiologic Research Needed

      Author(s): Friedman GD; Habel LA; Achacoso N; Sanders CM; Oyer HM; Fireman B; Van Den Eeden SK; Kim FJ

      Perm J. 2018;24. Epub 2019-11-22.

      PubMed abstract

      Comparative effectiveness of treatment of actinic keratosis with topical fluorouracil and imiquimod in the prevention of keratinocyte carcinoma: a cohort study

      Author(s): Neugebauer R; Su KA; Zhu Z; Sokil M; Chren MM; Friedman GD; Asgari MM

      J Am Acad Dermatol. 2019 Apr;80(4):998-1005. Epub 2018-11-17.

      PubMed abstract

      Gabapentin and Cancer Risk: Updated Findings from Kaiser Permanente Northern California

      Author(s): Friedman GD; Achacoso N; Habel LA

      Perm J. 2019;23.

      PubMed abstract

      Long-term postmenopausal estrogen therapy may be associated with increased risk of breast cancer: a cohort study

      Author(s): Ettinger B; Quesenberry C; Schroeder DA; Friedman G

      Menopause. 2018 11;25(11):1191-1194.

      PubMed abstract

      A real-world, community-based cohort study comparing the effectiveness of topical fluoruracil vs. topical imiquimod for the treatment of actinic keratosis

      Author(s): Neugebauer R; Levandoski KA; Zhu Z; Sokil M; Chren MM; Friedman GD; Asgari MM

      J Am Acad Dermatol. 2017 Dec 22.

      PubMed abstract

      Hydrochlorothiazide use is strongly associated with risk of lip cancer

      Author(s): Pottegård A; Hallas J; Olesen M; Svendsen MT; Habel LA; Friedman GD; Friis S

      J Intern Med. 2017 Oct;282(4):322-331. Epub 2017-06-06.

      PubMed abstract

      Research Letter: Anticholinergic Drugs and the Gallbladder - A Neglected Effect?

      Author(s): Friedman GD; Achacoso N; Habel LA

      Perm J. 2017;21.

      PubMed abstract

      Statins and Reduced Risk of Liver Cancer: Evidence for Confounding

      Author(s): Friedman GD; Achacoso N; Fireman B; Habel LA

      J Natl Cancer Inst. 2016 Oct;108(10). Epub 2016-07-05.

      PubMed abstract

      Risk of cancer in Asian Americans: a Kaiser Permanente cohort study

      Author(s): Tran HN; Li Y; Udaltsova N; Armstrong MA; Friedman GD; Klatsky AL

      Cancer Causes Control. 2016 Oct;27(10):1197-207. Epub 2016-08-25.

      PubMed abstract

      Editorial: Special Issue of the American Journal of Epidemiology Commemorating the Centennial of the Johns Hopkins University Bloomberg School of Public Health

      Author(s): Friedman GD

      Am J Epidemiol. 2016 Feb 8.

      PubMed abstract

      Alcohol Intake, Beverage Choice, and Cancer: A Cohort Study in a Large Kaiser Permanente Population

      Author(s): Klatsky AL; Li Y; Nicole Tran H; Baer D; Udaltsova N; Armstrong MA; Friedman GD

      Perm J. 2015 Spring;19(2):28-34. Epub 2015-03-01.

      PubMed abstract

      Editorial: Body Mass Index and Risk of Death

      Author(s): Friedman GD

      Am J Epidemiol. 2014 Aug 1;180(3):233-4. Epub 2014-06-03.

      PubMed abstract

      Moderate alcohol intake and cancer: the role of underreporting

      Author(s): Klatsky AL; Udaltsova N; Li Y; Baer D; Nicole Tran H; Friedman GD

      Cancer Causes Control. 2014 Jun;25(6):693-9. Epub 2014-04-02.

      PubMed abstract

      Antidepressants and testicular cancer

      Author(s): Friedman GD; Schwalbe J; Achacoso N; Meng MV; Kroenke CH; Habel LA

      Cancer Causes Control. 2014 Feb;25(2):251-8. Epub 2013-11-26.

      PubMed abstract

      Risk of Coronary Disease in South Asian Americans

      Author(s): Hajra A; Li Y; Siu S; Udaltsova N; Armstrong MA; Friedman GD; Klatsky AL

      J Am Coll Cardiol. 2013 Aug 13;62(7):644-5. Epub 2013 Jun 13.

      PubMed abstract

      Predictors of lung cancer: noteworthy cell type differences

      Author(s): Tran HN; Li Y; Siu S; Baer D; Friedman GD; Udaltsova N; Klatsky AL

      Perm J. 2013 Spring;17(2):23-9.

      PubMed abstract

      Antihypertensive Drugs and Lip Cancer in Non-Hispanic Whites

      Author(s): Friedman GD; Asgari MM; Warton EM; Chan J; Habel LA

      Arch Intern Med. 2012 Sep 10;172(16):1246-51.

      PubMed abstract

      Risk of cancer in patients exposed to gabapentin in two electronic medical record systems

      Author(s): Irizarry MC; Webb DJ; Boudiaf N; Logie J; Habel LA; Udaltsova N; Friedman GD

      Pharmacoepidemiol Drug Saf. 2012 Feb;21(2):214-25. Epub 2011 Dec 6.

      PubMed abstract

      Supplement use and risk of cutaneous squamous cell carcinoma

      Author(s): Asgari MM; Chren MM; Warton EM; Friedman GD; White E

      J Am Acad Dermatol. 2011 Dec;65(6):1145-51. Epub 2011 Jun 12.

      PubMed abstract

      Re: a case-control study of levothyroxine and the risk of colorectal cancer

      Author(s): Friedman GD; Schwalbe JS; Habel LA

      J Natl Cancer Inst. 2011 Nov 2;103(21):1637-9. Epub 2011 Oct 18.

      PubMed abstract

      Norepinephrine antagonists and cancer risk

      Author(s): Friedman GD; Udaltsova N; Habel LA

      Int J Cancer. 2011 Feb 1;128(3):737-8; author reply 739.

      PubMed abstract

      Association of tea consumption and cutaneous squamous cell carcinoma

      Author(s): Asgari MM; White E; Warton EM; Hararah MK; Friedman GD; Chren MM

      Nutr Cancer. 2011;63(2):314-8.

      PubMed abstract

      Lipophilic statin use and risk of breast cancer subtypes

      Author(s): Woditschka S; Habel LA; Udaltsova N; Friedman GD; Sieh W

      Cancer Epidemiol Biomarkers Prev. 2010 Oct;19(10):2479-87. Epub 2010 Aug 20.

      PubMed abstract

      Association of prediagnostic serum vitamin D levels with the development of basal cell carcinoma

      Author(s): Asgari MM; Tang J; Warton ME; Chren MM; Quesenberry CP Jr; Bikle D; Horst RL; Orentreich N; Vogelman JH; Friedman GD

      J Invest Dermatol. 2010 May;130(5):1438-43. Epub 2009 Dec 31.

      PubMed abstract

      Association between nonsteroidal anti-inflammatory drug use and cutaneous squamous cell carcinoma

      Author(s): Asgari MM; Chren MM; Warton EM; Friedman GD; White E

      Arch Dermatol. 2010 Apr;146(4):388-95. Epub 2010 Feb 15.

      PubMed abstract

      Potential risk factors for cutaneous squamous cell carcinoma include oral contraceptives: results of a nested case-control study

      Author(s): Asgari MM; Efird JT; Warton EM; Friedman GD

      Int J Environ Res Public Health. 2010 Feb;7(2):427-42. Epub 2010 Feb 3.

      PubMed abstract

      Screening pharmaceuticals for possible carcinogenic effects: initial positive results for drugs not previously screened

      Author(s): Friedman GD; Udaltsova N; Chan J; Quesenberry CP Jr; Habel LA

      Cancer Causes Control. 2009 Dec;20(10):1821-35.

      PubMed abstract

      Epidemiologic evaluation of pharmaceuticals with limited evidence of carcinogenicity

      Author(s): Friedman GD; Jiang SF; Udaltsova N; Quesenberry CP Jr; Chan J; Habel LA

      Int J Cancer. 2009 Nov 1;125(9):2173-8.

      PubMed abstract

      Pharmaceuticals that cause mammary gland tumors in animals: findings in women

      Author(s): Friedman GD; Jiang SF; Udaltsova N; Chan J; Quesenberry CP Jr; Habel LA

      Breast Cancer Res Treat. 2009 Jul;116(1):187-94. Epub 2008 Jul 16.

      PubMed abstract

      Statin use and risk of basal cell carcinoma

      Author(s): Asgari MM; Tang J; Epstein EH Jr; Chren MM; Warton EM; Quesenberry CP Jr; Go AS; Friedman GD

      J Am Acad Dermatol. 2009 Jul;61(1):66-72. Epub 2009 May 21.

      PubMed abstract

      Hypnotics and skin cancer: hint at drug carcinogenesis, coincidence, or benefit of more sleep?

      Author(s): Friedman GD

      J Sleep Res. 2008 Sep;17(3):243-4.

      PubMed abstract

      Helicobacter pylori infection and development of pancreatic cancer

      Author(s): de Martel C; Llosa AE; Friedman GD; Vogelman JH; Orentreich N; Stolzenberg-Solomon RZ; Parsonnet J

      Cancer Epidemiol Biomarkers Prev. 2008 May;17(5):1188-94.

      PubMed abstract

      The confounded relation of coffee drinking to coronary artery disease

      Author(s): Klatsky AL; Koplik S; Kipp H; Friedman GD

      Am J Cardiol. 2008 Mar 15;101(6):825-7. Epub 2008 Jan 18.

      PubMed abstract

      Screening statins for possible carcinogenic risk: up to 9 years of follow-up of 361,859 recipients

      Author(s): Friedman GD; Flick ED; Udaltsova N; Chan J; Quesenberry CP Jr; Habel LA

      Pharmacoepidemiol Drug Saf. 2008 Jan;17(1):27-36.

      PubMed abstract

      Methylphenidate use in children and risk of cancer at 18 sites: results of surveillance analyses

      Author(s): Oestreicher N; Friedman GD; Jiang SF; Chan J; Quesenberry C Jr; Habel LA

      Pharmacoepidemiol Drug Saf. 2007 Dec;16(12):1268-72.

      PubMed abstract

      Antibiotics and risk of breast cancer: up to 9 years of follow-up of 2.1 million women

      Author(s): Friedman GD; Oestreicher N; Chan J; Quesenberry CP Jr; Udaltsova N; Habel LA

      Cancer Epidemiol Biomarkers Prev. 2006 Nov;15(11):2102-6.

      PubMed abstract

      Sequelae of systemic hypertension in alcohol abstainers, light drinkers, and heavy drinkers

      Author(s): Klatsky AL; Koplik S; Gunderson E; Kipp H; Friedman GD

      Am J Cardiol. 2006 Oct 15;98(8):1063-8. Epub 2006 Aug 30.

      PubMed abstract

      Higher prevalence of systemic hypertension among moderate alcohol drinkers: an exploration of the role of underreporting

      Author(s): Klatsky AL; Gunderson EP; Kipp H; Udaltsova N; Friedman GD

      J Stud Alcohol. 2006 May;67(3):421-8.

      PubMed abstract

      Kaiser Permanente medical care program

      Author(s): Selby JV; Smith DH; Johnson ES; Raebel MA; Friedman GD; McFarland BH

      In: Strom BL, editor. Pharmacoepidemiology. 4th edition. Chichester: Wiley; 2006.

      PubMed abstract

      Early symptoms of ovarian cancer: a case-control study without recall bias

      Author(s): Friedman GD; Skilling JS; Udaltsova NV; Smith LH

      Fam Pract. 2005 Oct;22(5):548-53. Epub 2005 Jun 17.

      PubMed abstract

      Helicobacter pylori infection and the risk of development of esophageal adenocarcinoma

      Author(s): de Martel C; Llosa AE; Farr SM; Friedman GD; Vogelman JH; Orentreich N; Corley DA; Parsonnet J

      J Infect Dis. 2005 Mar 1;191(5):761-7. Epub 2005 Jan 20.

      PubMed abstract

      Risk of hemorrhagic stroke in Asian American ethnic groups

      Author(s): Klatsky AL; Friedman GD; Sidney S; Kipp H; Kubo A; Armstrong MA

      Neuroepidemiology. 2005;25(1):26-31. Epub 2005 Apr 25.

      PubMed abstract

      Cohort study of exposure to environmental tobacco smoke and risk of first ischemic stroke and transient ischemic attack

      Author(s): Iribarren C; Darbinian J; Klatsky AL; Friedman GD

      Neuroepidemiology. 2004 Jan-Apr;23(1-2):38-44.

      PubMed abstract

      Kaiser Permanente medical care program: Northern California and other regions

      Author(s): Friedman GD

      In: Strom BL, editor. Pharmacoepidemiology, second edition. Chichester (UK): John Wiley & Sons; 2004.

      PubMed abstract

      C-reactive protein, Helicobacter pylori, Chlamydia pneumoniae, cytomegalovirus and risk for myocardial infarction

      Author(s): Witherell HL; Smith KL; Friedman GD; Ley C; Thom DH; Orentreich N; Vogelman JH; Parsonnet J

      Ann Epidemiol. 2003 Mar;13(3):170-7.

      PubMed abstract

      Risk of subsequent cancer following invasive or in situ squamous cell skin cancer

      Author(s): Efird JT; Friedman GD; Habel L; Tekawa IS; Nelson LM

      Ann Epidemiol. 2002 Oct;12(7):469-75.

      PubMed abstract

      Alcohol drinking and risk of hemorrhagic stroke

      Author(s): Klatsky AL; Armstrong MA; Friedman GD; Sidney S

      Neuroepidemiology. 2002 May-Jun;21(3):115-22.

      PubMed abstract

      Exposure to environmental tobacco smoke: association with personal characteristics and self reported health conditions

      Author(s): Iribarren C; Friedman GD; Klatsky AL; Eisner MD

      J Epidemiol Community Health. 2001 Oct;55(10):721-8.

      PubMed abstract

      Alcohol drinking and risk of hospitalization for ischemic stroke

      Author(s): Klatsky AL; Armstrong MA; Friedman GD; Sidney S

      Am J Cardiol. 2001 Sep 15;88(6):703-6.

      PubMed abstract

      Cohort study of thyroid cancer in a San Francisco Bay area population

      Author(s): Iribarren C; Haselkorn T; Tekawa IS; Friedman GD

      Int J Cancer. 2001 Sep 1;93(5):745-50.

      PubMed abstract

      Concomitant medication use in postmenopausal women using estrogen therapy

      Author(s): Small R; Friedman GD; Ettinger B

      Menopause. 2001 Summer;8(2):120-6.

      PubMed abstract

      Association of basal cell skin cancers with other cancers (United States)

      Author(s): Friedman GD; Tekawa IS

      Cancer Causes Control. 2000 Dec;11(10):891-7.

      PubMed abstract

      Colon cancer screening, lifestyle, and risk of colon cancer

      Author(s): Slattery ML; Edwards SL; Ma KN; Friedman GD

      Cancer Causes Control. 2000 Jul;11(6):555-63.

      PubMed abstract

      Body size, age at shaving initiation, and prostate cancer in a large, multiracial cohort

      Author(s): Habel LA; Van Den Eeden SK; Friedman GD

      Prostate. 2000 May 1;43(2):136-43.

      PubMed abstract

      Cimetidine use and risk of breast, prostate, and other cancers

      Author(s): Habel LA; Levin TR; Friedman GD

      Pharmacoepidemiol Drug Saf. 2000 Mar;9(2):149-55.

      PubMed abstract

      Spousal concordance for cancer incidence: A cohort study

      Author(s): Friedman GD; Quesenberry CP Jr

      Cancer. 1999 Dec 1;86(11):2413-9.

      PubMed abstract

      Effect of cigar smoking on the risk of cardiovascular disease, chronic obstructive pulmonary disease, and cancer in men

      Author(s): Iribarren C; Tekawa IS; Sidney S; Friedman GD

      N Engl J Med. 1999 Jun 10;340(23):1773-80.

      PubMed abstract

      Barbiturates and lung cancer: a re-evaluation

      Author(s): Friedman GD; Habel LA

      Int J Epidemiol. 1999 Jun;28(3):375-9.

      PubMed abstract

      Cholecystectomy and the risk of colon cancer

      Author(s): Todoroki I; Friedman GD; Slattery ML; Potter JD; Samowitz W

      Am J Gastroenterol. 1999 Jan;94(1):41-6.

      PubMed abstract

      Barbiturates, smoking, and bladder cancer risk

      Author(s): Habel LA; Bull SA; Friedman GD

      Cancer Epidemiol Biomarkers Prev. 1998 Nov;7(11):1049-50.

      PubMed abstract

      Mentholated cigarettes and non-lung smoking related cancers in California, USA

      Author(s): Friedman GD; Sadler M; Tekawa IS; Sidney S

      J Epidemiol Community Health. 1998 Mar;52(3):202.

      PubMed abstract

      Drugs and colon cancer

      Author(s): Friedman GD; Coates AO; Potter JD; Slattery ML

      Pharmacoepidemiol Drug Saf. 1998 Mar;7(2):99-106.

      PubMed abstract

      Cigarette smoking and risk of non-Hodgkin's lymphoma subtypes

      Author(s): Herrinton LJ; Friedman GD

      Cancer Epidemiol Biomarkers Prev. 1998 Jan;7(1):25-8.

      PubMed abstract

      Health care use by frequent marijuana smokers who do not smoke tobacco

      Author(s): Polen MR; Sidney S; Tekawa IS; Sadler M; Friedman GD

      West J Med. 1993 Jun;158(6):596-601.

      PubMed abstract

      Cataract extraction. Risk factors in a health maintenance organization population under 60 years of age

      Author(s): Schwab IR; Armstrong MA; Friedman GD; Wong IG; Carpentieri AC; Dawson CR

      Arch Ophthalmol. 1988 Aug;106(8):1062-5.

      PubMed abstract

      Precursors of essential hypertension: body weight, alcohol and salt use, and parental history of hypertension

      Author(s): Friedman GD; Selby JV; Quesenberry CP Jr; Armstrong MA; Klatsky AL

      Prev Med. 1988 Jul;17(4):387-402.

      PubMed abstract

      US Preventive Services Task Force. Automobile injury--selected risk factors and prevention in the health care setting

      Author(s): Polen MR; Friedman GD

      JAMA. 1988 Jan 1;259(1):76-80.

      PubMed abstract

      CARDIA: study design, recruitment, and some characteristics of the examined subjects

      Author(s): Friedman GD; Cutter GR; Donahue RP; Hughes GH; Hulley SB; Jacobs DR Jr; Liu K; Savage PJ

      J Clin Epidemiol. 1988;41(11):1105-16.

      PubMed abstract

      Sigmoidoscopy and mortality from colorectal cancer: the Kaiser Permanente Multiphasic Evaluation Study

      Author(s): Selby JV; Friedman GD; Collen MF

      J Clin Epidemiol. 1988;41(5):427-34.

      PubMed abstract

      Cancer of the large bowel after cholecystectomy

      Author(s): Friedman GD

      Biomed Pharmacother. 1988;42(6):369-72.

      PubMed abstract

      Recruitment in the Coronary Artery Disease Risk Development in Young Adults (Cardia) Study

      Author(s): Hughes GH; Cutter G; Donahue R; Friedman GD; Hulley S; Hunkeler E; Jacobs DR Jr; Liu K; Orden S; Pirie P; et al.

      Control Clin Trials. 1987 Dec;8(4 Suppl):68S-73S.

      PubMed abstract

      Concordance for type 2 (non-insulin-dependent) diabetes mellitus in male twins

      Author(s): Newman B; Selby JV; King MC; Slemenda C; Fabsitz R; Friedman GD

      Diabetologia. 1987 Oct;30(10):763-8.

      PubMed abstract

      Re: Family history of coronary heart disease

      Author(s): Friedman GD; Klatsky AL

      Am J Epidemiol. 1987 Jul;126(1):159.

      PubMed abstract

      Environmental and behavioral determinants of fasting plasma glucose in women. A matched co-twin analysis

      Author(s): Selby JV; Newman B; King MC; Friedman GD

      Am J Epidemiol. 1987 Jun;125(6):979-88.

      PubMed abstract

      Cholecystectomy and large bowel cancer

      Author(s): Friedman GD; Goldhaber MK; Quesenberry CP Jr

      Lancet. 1987 Apr 18;1(8538):906-8.

      PubMed abstract

      Thinness and mortality

      Author(s): Sidney S; Friedman GD; Siegelaub AB

      Am J Public Health. 1987 Mar;77(3):317-22.

      PubMed abstract

      Risk factors for coronary heart disease in adult female twins. Genetic heritability and shared environmental influences

      Author(s): Austin MA; King MC; Bawol RD; Hulley SB; Friedman GD

      Am J Epidemiol. 1987 Feb;125(2):308-18.

      PubMed abstract

      Smoking habits among multiphasic examinees, 1979 to 1984

      Author(s): Friedman GD; Sidney S; Polen MR

      West J Med. 1986 Nov;145(5):651-6.

      PubMed abstract

      Multiple myeloma: relation to propoxyphene and other drugs, radiation and occupation

      Author(s): Friedman GD

      Int J Epidemiol. 1986 Sep;15(3):424-6.

      PubMed abstract

      Serum retinol and retinol-binding protein levels do not predict subsequent lung cancer

      Author(s): Friedman GD; Blaner WS; Goodman DS; Vogelman JH; Brind JL; Hoover R; Fireman BH; Orentreich N

      Am J Epidemiol. 1986 May;123(5):781-9.

      PubMed abstract

      Multiphasic Health Checkup Evaluation: a 16-year follow-up

      Author(s): Friedman GD; Collen MF; Fireman BH

      J Chronic Dis. 1986;39(6):453-63.

      PubMed abstract

      Alcohol and blood pressure: There is strong evidence implicating alcohol consumption in hypertension

      Author(s): Friedman GD; Klatsky AL; Siegelaub AB

      Med Times. 1985;113(2):34-35,38-39.

      PubMed abstract

      Some obstacles to the evaluation and effective performance of health appraisals

      Author(s): Friedman GD

      West J Med. 1984 Dec;141(6):782-5.

      PubMed abstract

      Digitalis and breast cancer

      Author(s): Friedman GD

      Lancet. 1984 Oct 13;2(8407):875.

      PubMed abstract

      Risk factors for benign breast disease: a case-control study of discordant twins

      Author(s): Odenheimer DJ; Zunzunegui MV; King MC; Shipler CP; Friedman GD

      Am J Epidemiol. 1984 Oct;120(4):565-71.

      PubMed abstract

      Twin studies of disease heritability based on medical records: application to acne vulgaris

      Author(s): Friedman GD

      Acta Genet Med Gemellol (Roma). 1984;33(3):487-95.

      PubMed abstract

      Coffee and Coronary Heart Disease: Are there grounds for concern?

      Author(s): Friedman GD

      In: MacMahon B, Sugimura T, Banbury Center, editors. Coffee and health. Banbury report 17. Cold Spring Harbor, N.Y.: Cold Spring Harbor Laboratory; 1984.

      PubMed abstract

      Problems in determining the prognosis of asymptomatic gallstones

      Author(s): Friedman GD

      In: Capocaccia L, Ricci G, Angelico F, Angelico M, Attili AF, editors. Epidemiology and prevention of gallstone disease. Lancaster, England: MTP Press; 1984.

      PubMed abstract

      Screening for possible drug carcinogenicity: second report of findings

      Author(s): Friedman GD; Ury HK

      J Natl Cancer Inst. 1983 Dec;71(6):1165-75.

      PubMed abstract

      Barbiturates, benzodiazepines and lung cancer

      Author(s): Friedman GD

      Int J Epidemiol. 1983 Sep;12(3):375-6.

      PubMed abstract

      Psychological questionnaire score, cigarette smoking, and myocardial infarction: a continuing enigma

      Author(s): Friedman GD; Fireman BH; Petitti DB; Siegelaub AB; Ury HK; Klatsky AL

      Prev Med. 1983 Jul;12(4):533-40.

      PubMed abstract

      Alcohol intake and hypertension

      Author(s): Friedman GD; Klatsky AL; Siegelaub AB

      Ann Intern Med. 1983 May;98(5 Pt 2):846-9.

      PubMed abstract

      Prevalence and correlates of passive smoking

      Author(s): Friedman GD; Petitti DB; Bawol RD

      Am J Public Health. 1983 Apr;73(4):401-5.

      PubMed abstract

      The rarity of cryptococcosis in Northern California: the 10-year experience of a large defined population

      Author(s): Friedman GD

      Am J Epidemiol. 1983 Feb;117(2):230-4.

      PubMed abstract

      Rauwolfia and breast cancer: no relation found in long term users age fifty and over

      Author(s): Friedman GD

      J Chronic Dis. 1983;36(5):367-70.

      PubMed abstract

      Alcohol, tobacco, and hypertension

      Author(s): Friedman GD; Klatsky AL; Siegelaub AB

      Hypertension. 1982 Sep-Oct;4(5 Pt 2):III143-50.

      PubMed abstract

      Phenylbutazone, musculoskeletal disease, and leukemia

      Author(s): Friedman GD

      J Chronic Dis. 1982;35(4):233-43.

      PubMed abstract

      Barbiturates and lung cancer in humans

      Author(s): Friedman GD

      J Natl Cancer Inst. 1981 Aug;67(2):291-5.

      PubMed abstract

      Mortality in cigarette smokers and quitters. Effect of base-line differences

      Author(s): Friedman GD; Petitti DB; Bawol RD; Siegelaub AB

      N Engl J Med. 1981 Jun 4;304(23):1407-10.

      PubMed abstract

      Characteristics of smoking- discordant monozygotic twins

      Author(s): Friedman GD; King MC; Klatsky AL; Hulley SB

      Prog Clin Biol Res. 1981;69 Pt C:17-22.

      PubMed abstract

      Initial screening for carcinogenicity of commonly used drugs

      Author(s): Friedman GD; Ury HK

      J Natl Cancer Inst. 1980 Oct;65(4):723-33.

      PubMed abstract

      Changes after quitting cigarette smoking

      Author(s): Friedman GD; Siegelaub AB

      Circulation. 1980 Apr;61(4):716-23.

      PubMed abstract

      Cigarette smoking and coronary heart disease: new evidence and old reactions

      Author(s): Friedman GD

      Am Heart J. 1980 Mar;99(3):398-9.

      PubMed abstract

      Diagnosis of twin zygosity by self-assessment and by genetic analysis

      Author(s): King MC; Friedman GD; Lattanzio D; Rodgers G; Lewis AM; Dupuy ME; Williams H

      Acta Genet Med Gemellol (Roma). 1980;29(2):121-6.

      PubMed abstract

      Mortality in middle-aged smokers and nonsmokers

      Author(s): Friedman GD; Dales LG; Ury HK

      N Engl J Med. 1979 Feb 1;300(5):213-7.

      PubMed abstract

      Characteristics predictive of coronary heart disease in ex-smokers before they stopped smoking: comparison with persistent smokers and nonsmokers

      Author(s): Friedman GD; Siegelaub AB; Dales LG; Seltzer CC

      J Chronic Dis. 1979;32(1-2):175-90.

      PubMed abstract