Transsexual sisters.
The first documented case of sisters with transsexualism is reported. Given the low incidence of female transsexualism this is a most unlikely event and suggests that familial factors may be of aetological importance.
D000328:Adult; D005260:Female; D006801:Humans; D008875:Middle Aged; D014189:Transsexualism / Q000235:genetics*