title: Placebo-control groups in the study of outpatient depressives.
mesh_terms: D000553:Ambulatory Care; D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use*; D003866:Depressive Disorder / Q000188:drug therapy* / Q000523:psychology; D006801:Humans; D010919:Placebos; D011569:Psychiatric Status Rating Scales; D012107:Research Design / Q000592:standards
chemical_list: D000929:Antidepressive Agents, Tricyclic; D010919:Placebos