Rhesus-immunised mothers and direct-coombs-test-negative babies.
D000917:Antibody Formation; D003298:Coombs Test; D004899:Erythroblastosis, Fetal / Q000276:immunology*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
D012204:Rh-Hr Blood-Group System