[A trial of the classification of schizophrenic symptoms by factor analysis].
D000328:Adult; D000367:Age Factors; D005069:Evaluation Studies as Topic; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012559:Schizophrenia / Q000145:classification* / Q000175:diagnosis / Q000188:drug therapy; D012564:Schizophrenic Language