title: The Rubinstein-Taybi syndrome: occurrence in two sets of identical twins.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D002675:Child, Preschool; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D011247:Pregnancy; D012415:Rubinstein-Taybi Syndrome / Q000235:genetics*; D014427:Twins; D014430:Twins, Monozygotic