Ellis-van Creveld syndrome in identical twins.
D000293:Adolescent; D003878:Dermatoglyphics; D004200:Diseases in Twins; D004562:Electrocardiography; D004613:Ellis-Van Creveld Syndrome; D006330:Heart Defects, Congenital; D006801:Humans; D008297:Male; D011859:Radiography; D014034:Toes / Q000002:abnormalities