Mortality and psychosis in twins.
D000293:Adolescent; D000328:Adult; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007226:Infant Mortality; D008297:Male; D011247:Pregnancy; D011618:Psychotic Disorders / Q000235:genetics*; D012744:Sex Ratio; D012959:Socioeconomic Factors; D014427:Twins / Q000523:psychology*