[Study on the etiological factors of schizophrenia by analysis of pedigrees of schizophrenic siblings].
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D012559:Schizophrenia / Q000209:etiology / Q000235:genetics*