Immunogenetic studies on mongolism.
D000293:Adolescent; D000328:Adult; D001789:Blood Group Antigens; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000235:genetics* / Q000276:immunology*; D005260:Female; D006801:Humans; D007118:Immunoassay; D007518:Isoantibodies; D008297:Male; D008875:Middle Aged; D005719:gamma-Globulins
D001789:Blood Group Antigens; D007518:Isoantibodies; D005719:gamma-Globulins