The International and Fourth American Congress on Obstetrics and Gynecology.
D003226:Congresses as Topic; D005006:Ethnicity; D005260:Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D014481:United States
GYNECOLOGY; INTERNATIONAL CONGRESS OF OBSTETRICS AND GYNECOLOGY; OBSTETRICS