title: Abstracts of the 33rd Annual Meeting of the Society for Maternal-Fetal Medicine, The Pregnancy Meeting. February 11-16, 2013. San Francisco, California, USA.
mesh_terms: D000818:Animals; D005260:Female; D005315:Fetal Diseases; D005831:Genital Diseases, Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D011248:Pregnancy Complications