[Tranquilizers and placebo: a "double blind" study].
D004311:Double-Blind Method; D006801:Humans; D008620:Meprobamate / Q000628:therapy*; D014149:Tranquilizing Agents / Q000628:therapy*
D014149:Tranquilizing Agents; D008620:Meprobamate
MEPROBAMATE/therapy; TRANQUILIZING AGENTS/therapy