The Rh factor in obstetrics.
TRAUT
H F
HF
McIVOR
B C
BC
D001789:Blood Group Antigens; D004899:Erythroblastosis, Fetal; D009774:Obstetrics; D012204:Rh-Hr Blood-Group System
D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System