Routine testing for the Rh factor in a midwifery hospital.
D001789:Blood Group Antigens; D006801:Humans; D008880:Midwifery; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System
BLOOD/groups--Rh factor