title: Unilateral and bilateral renal agenesis in monoamniotic twins.
mesh_terms: D000015:Abnormalities, Multiple / Q000209:etiology; D000650:Amnion; D004200:Diseases in Twins; D005145:Face; D006801:Humans; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities*; D008297:Male; D013577:Syndrome