[The probe methodology can be considered an alternative to randomized double-blind?].
Dainesi
Sonia Mansoldo
SM
Faculdade de Medicina, USP, São Paulo, SP.
D004311:Double-Blind Method; D004341:Drug Evaluation / Q000379:methods*; D006801:Humans; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000379:methods*
D010919:Placebos