title: Changes in subtype diagnosis of schizophrenia: 1920-1966.
mesh_terms: D000367:Age Factors; D002389:Catatonia / Q000175:diagnosis; D049673:History, 20th Century; D006778:Hospitals, Psychiatric; D006801:Humans; D007484:Iowa; D010259:Paranoid Disorders / Q000175:diagnosis; D012559:Schizophrenia / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology / Q000266:history; D012562:Schizophrenia, Disorganized / Q000175:diagnosis; D013312:Stress, Physiological