title: [Down's syndrome and heart defect in monozygotic twins].
mesh_terms: D002904:Chromosomes, Human, 21-22 and Y; D004200:Diseases in Twins; D004314:Down Syndrome / Q000150:complications*; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications*; D006801:Humans; D007231:Infant, Newborn; D010375:Pedigree; D014314:Trisomy
vernacular_title: Down-syndromára és vitiumra concordans equpetéjü ikerpár