title: Melancholia as a useful subtype of major depression.
authors.forename: David A
authors.initials: DA
authors.lastname: Solomon
mesh_terms: D000928:Antidepressive Agents / Q000627:therapeutic use*; D003866:Depressive Disorder / Q000145:classification / Q000188:drug therapy* / Q000517:prevention & control; D003865:Major Depressive Disorder / Q000145:classification / Q000188:drug therapy* / Q000517:prevention & control; D004351:Drug Resistance; D006801:Humans; D017063:Outcome Assessment, Health Care; D012008:Recurrence; D012307:Risk Factors; D013618:Tachyphylaxis / Q000502:physiology*
chemical_list: D000928:Antidepressive Agents