title: Placebo in clinical trials for depression: complexity and necessity.
authors.forename: David J
authors.initials: DJ
authors.lastname: Kupfer
authors.forename: Ellen
authors.initials: E
authors.lastname: Frank
mesh_terms: D000928:Antidepressive Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D035061:Control Groups; D003866:Depressive Disorder / Q000188:drug therapy*; D020902:Hypericum; D015990:Placebo Effect; D010936:Plant Extracts / Q000627:therapeutic use; D020280:Sertraline / Q000627:therapeutic use
chemical_list: D000928:Antidepressive Agents; D010936:Plant Extracts; D020280:Sertraline