Double blind, you are the weakest link--good-bye!
Devereaux
P J
PJ
Bhandari
Mohit
M
Montori
Victor M
VM
Manns
Braden J
BJ
Ghali
William A
WA
Guyatt
Gordon H
GH
D004311:Double-Blind Method; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards