The Rh factor and its relation to maternal and foetal diseases.
D004899:Erythroblastosis, Fetal; D005315:Fetal Diseases; D005333:Fetus; D006402:Hematologic Diseases; D011247:Pregnancy / Q000097:blood; D012204:Rh-Hr Blood-Group System
D012204:Rh-Hr Blood-Group System
ERYTHROBLASTOSIS, FETAL; PREGNANCY/blood in; Rh FACTOR