The Rh factor in obstetrics and gynecology.
D001789:Blood Group Antigens; D005260:Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System; D013587:Syphilis
BLOOD GROUPS; SYPHYLIS/in pregnancy