TY - CHAP M1 - Book, Section TI - Chapter 13. Early Pregnancy Risks A1 - Surette, Ann-Marie A1 - Dunham, Samantha M. A2 - DeCherney, Alan H. A2 - Nathan, Lauren A2 - Laufer, Neri A2 - Roman, Ashley S. Y1 - 2013 N1 - T2 - CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 11e AB - SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/10/16 UR - accessmedicine.mhmedical.com/content.aspx?aid=56965770 ER -