Xerodermic idiocy in identical twins.
D002648:Child; D004200:Diseases in Twins; D005260:Female; D005796:Genes; D006130:Growth Disorders / Q000235:genetics; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D009154:Mutation; D009461:Neurologic Manifestations; D013577:Syndrome; D014983:Xeroderma Pigmentosum / Q000235:genetics*