The three sisters: transexual male siblings.
D000293:Adolescent; D000328:Adult; D002648:Child; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008393:Marriage; D010287:Parent-Child Relations; D010551:Personality; D012737:Sex Factors; D012917:Social Adjustment; D014189:Transsexualism / Q000453:epidemiology / Q000209:etiology / Q000235:genetics*; D014481:United States