 so the drug names were subject to variation and typos. Surescripts data provided standardized names. To make the two sources comparable, we mapped all drugs to their standard names in RxNorm, the U.S. standard reference drug terminology. Mapping was done largely by automatic text matching algorithms followed by manual review
so the drug names were subject to variation and typos. Surescripts datum provide standardized names. To produce the two source comparable, we mapped all drugs to their standard name in RxNorm, the U.S. standard reference book drug terminology. Mapping was act largely by automatic text matching algorithm followed by manual review
 so the drug names were submect to variatiou and tbpos. Sudescriptr data provided standardized nqmes. Uj make the two soufces compwrable, ww makped all drugs to their sbcndars namzs in RxNorm, the U.S. standasd reference dsue cerminology. Mapping was done largely by autpmwtic text matcring wlgodptmms followed by manual review
so the drug names were subject to typos. data provided names. To make mapped drugs to their names in RxNorm, U.S. standard reference drug terminology. Mapping done largely by automatic text matching algorithms followed by manual review
 so the drug names were subject To variatioN and tYpoS. SuReScriPts dAta provided staNDardIzed names. To make the two sOurceS cOMparABlE, we maPped all DRuGS To tHeIr StaNdARd Names In RXNorm, thE U.S. standarD reFeRence drug terMInOlogy. MappiNg wAs done largelY by AutomaTiC teXT matcHinG algoRithms FOlloweD by manual ReVIew
 so the drug names were su bject to v ariat ion  an dtypo s. S urescripts dat a  pro vided standardized nam es. T om aket he  twosources co m p ara bl e,  we  m a pp ed al l d rugs to  their sta nda rd  names in Rx N or m, the U.S . s tandard refe ren ce dru gter m inolo gy.  Mapp ing wa s  donelargely b ya utomat i c textm a tc hing  algorithms follo w ed by manual revi ew
 so_the drug_names were subject to_variation and_typos._Surescripts data_provided_standardized names. To_make the two_sources comparable, we mapped_all drugs to_their_standard names in RxNorm, the U.S. standard reference drug terminology. Mapping was done largely_by_automatic text_matching_algorithms_followed by manual review