Choosing appropriate comparators.
Knottnerus
J André
JA
Tugwell
Peter
P
D057186:Comparative Effectiveness Research / Q000379:methods / Q000592:standards*; D017408:Guidelines as Topic; D006801:Humans; D017712:Peer Review, Research / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*