Rh countersensitization.
D035843:Biomedical Research; D004899:Erythroblastosis, Fetal / Q000517:prevention & control*; D005333:Fetus; D006801:Humans; D012204:Rh-Hr Blood-Group System
D012204:Rh-Hr Blood-Group System
ERYTHROBLASTOSIS, FETAL/prevention and control; RH FACTORS