title: Variability of the clinical course of primary affective disorder.
mesh_terms: D000328:Adult; D000342:Affective Symptoms / Q000175:diagnosis*; D002908:Chronic Disease; D003863:Depression / Q000175:diagnosis; D005260:Female; D005500:Follow-Up Studies; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D008923:Missouri; D011379:Prognosis; D012008:Recurrence; D012075:Remission, Spontaneous; D013405:Suicide / Q000453:epidemiology