Is recruitment more difficult with a placebo arm in RCTs? Methodological issues will have affected results.
Forbes
L
L
Chinn
S
S
Figueroa-Muñoz
J
J
Seed
P
P
D003142:Communication; D006801:Humans; D009723:Nurse-Patient Relations; D018579:Patient Selection; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000379:methods*
D010919:Placebos