Recent experiences with the Rh problem.
D004899:Erythroblastosis, Fetal / Q000209:etiology*; D005333:Fetus; D006402:Hematologic Diseases; D006801:Humans; D012204:Rh-Hr Blood-Group System
D012204:Rh-Hr Blood-Group System
ERYTHROBLASTOSIS, FETAL/etiology and pathogenesis; RH FACTORS