title: The significance of the Rh factor in obstetrics.
authors.forename: I E
authors.initials: IE
authors.lastname: WIDENIUS
mesh_terms: D001789:Blood Group Antigens; D005260:Female; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
chemical_list: D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System
keywords: BLOOD/groups--Rh factor