ACOG Practice Bulletin No. 101: Ultrasonography in PregnancyObstetrics & Gynecology: February 2009 - Volume 113 - Issue 2 - p 451-461 ACOG Publication Free This document has been withdrawn or is no longer available. Please contact the Resource Center at the American College of Obstetricians and Gynecologists (email@example.com; 202-863-2518) for further information. The current “Committee Opinion List of Titles” is available online at http://www.acog.org/goto/COListOfTitles The current “Practice Bulletin List of Titles” is available online at http://www.acog.org/goto/PBListOfTitles© 2009 by The American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved.