title: An investigation of Leonhard's classification of chronic schizophrenia.
mesh_terms: D000328:Adult; D000367:Age Factors; D002389:Catatonia / Q000175:diagnosis; D002908:Chronic Disease; D005069:Evaluation Studies as Topic; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis; D007361:Intelligence Tests; D008875:Middle Aged; D009048:Motor Skills; D010259:Paranoid Disorders / Q000175:diagnosis; D011581:Psychological Tests; D011596:Psychomotor Disorders / Q000175:diagnosis; D012559:Schizophrenia / Q000145:classification* / Q000175:diagnosis; D012562:Schizophrenia, Disorganized / Q000175:diagnosis; D012565:Schizophrenic Psychology; D013647:Task Performance and Analysis