Efficacy of antidepressants over placebo is similar in two-armed versus three-armed or more-armed randomized placebo-controlled trials. (International Clinical Psychopharmacology, 2017)

(untitled) - Ogawa, Y; Furukawa, T; Takeshima, N; Hayasaka, Y; Atkinson, L; Tanaka, S; Cipriani, A; Salanti, G