title: The effect of external version on antenatal immunization by the Rh factor.
mesh_terms: D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000209:etiology*; D012204:Rh-Hr Blood-Group System
chemical_list: D012204:Rh-Hr Blood-Group System