title: On changes in psychiatric diagnosis over time.
mesh_terms: D000293:Adolescent; D000328:Adult; D000342:Affective Symptoms / Q000175:diagnosis; D000367:Age Factors; D000368:Aged; D006801:Humans; D007902:Length of Stay; D001523:Mental Disorders / Q000175:diagnosis* / Q000188:drug therapy; D008875:Middle Aged; D009497:Neurotic Disorders / Q000175:diagnosis; D012189:Retrospective Studies; D012559:Schizophrenia / Q000175:diagnosis