title: MENTAL DETERIORATION IN CHRONIC SCHIZOPHRENIA.
mesh_terms: D000375:Aging; D002389:Catatonia; D006801:Humans; D007361:Intelligence Tests; D001523:Mental Disorders; D009422:Nervous System Diseases; D012559:Schizophrenia; D012565:Schizophrenic Psychology
keywords: AGING; CATATONIA; INTELLIGENCE TESTS; SCHIZOPHRENIC PSYCHOLOGY