Cheng Carol E, Javorsky Emilia, Kimball Alexa Boer
Massachusetts General Hospital and Harvard Medical School Boston, Massachusetts University of Massachusetts Medical School Worcester, Massachusetts Massachusetts General Hospital and Harvard Medical School Boston, Massachusetts.
Obstet Gynecol. 2013 Aug;122(2 Pt 1):396-397. doi: 10.1097/AOG.0b013e31829cf243.