title: Roles of interpersonal contact and verbal content in abstract thinking deficits of schizophrenics.
mesh_terms: D001321:Autistic Disorder; D003142:Communication; D003210:Concept Formation; D006801:Humans; D007361:Intelligence Tests; D007398:Interpersonal Relations; D008297:Male; D008875:Middle Aged; D012565:Schizophrenic Psychology