title: The familial classification of primary unipolar depression: biological validation of distinct subtypes.
mesh_terms: D003866:Depressive Disorder / Q000145:classification / Q000235:genetics* / Q000503:physiopathology; D003907:Dexamethasone; D004569:Electroencephalography; D006801:Humans; D007328:Insulin; D010913:Pituitary-Adrenal System / Q000503:physiopathology; D012890:Sleep / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology
chemical_list: D007328:Insulin; D003907:Dexamethasone