Cytogenetic and antigenic studies in a pair of twins: a normal boy and a trisomic 21 girl with chimera.
D000328:Adult; D000941:Antigens; D001789:Blood Group Antigens / Q000276:immunology; D002678:Chimera; D003582:Cytogenetics; D004200:Diseases in Twins; D004314:Down Syndrome / Q000235:genetics* / Q000276:immunology; D005260:Female; D006801:Humans; D007108:Immune Tolerance; D007621:Karyotyping; D008297:Male; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012867:Skin / Q000473:pathology; D014427:Twins; D014429:Twins, Dizygotic
D000941:Antigens; D001789:Blood Group Antigens