title: Are placebo-controlled studies required in order to prove efficacy of antidepressants?
authors.forename: Hans-Jürgen
authors.initials: HJ
authors.lastname: Möller
mesh_terms: D000639:Amitriptyline / Q000627:therapeutic use*; D000928:Antidepressive Agents / Q000627:therapeutic use*; D015982:Bias; D017277:Drug Approval; D015507:Drugs, Investigational / Q000627:therapeutic use*; D006381:Helsinki Declaration; D006801:Humans; D015990:Placebo Effect; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D016896:Treatment Outcome
chemical_list: D000928:Antidepressive Agents; D015507:Drugs, Investigational; D000639:Amitriptyline