title: A factor-analytic study of childhood symptoms antecedent to schizophrenia.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis; D005163:Factor Analysis, Statistical; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012561:Schizophrenia, Childhood / Q000175:diagnosis*; D012569:Schizotypal Personality Disorder / Q000175:diagnosis*