title: Abstracts of the American College of Obstetricians and Gynecologists 52nd Annual Clinical Meeting. May 1-5, 2004, Philadelphia, Pennsylvania, USA.
mesh_terms: D005260:Female; D005831:Genital Diseases, Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D011248:Pregnancy Complications