How complete are E-codes in commercial plan claims databases?
Authors: Lu CY; Hunkeler EM; Soumerai SB; et al.
Pharmacoepidemiol Drug Saf. 2014 Feb;23(2):218-20.
Authors: Lu CY; Hunkeler EM; Soumerai SB; et al.
Pharmacoepidemiol Drug Saf. 2014 Feb;23(2):218-20.