title: A case of sirenomelia. In one of a pair of identical twins, and in association with exomphalos.
mesh_terms: D004200:Diseases in Twins; D004480:Ectromelia / Q000150:complications*; D006554:Hernia, Umbilical / Q000150:complications / Q000151:congenital; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D014430:Twins, Monozygotic