El Kady Dina, Gerscovich Eugenio O, Moon-Grady Anita, Towner Dena, McGahan John P, Rhee-Morris Laila, Naderi Sima
Department of Obstetrics and Gynecology, Division of Maternal and Fetal Medicine, University of California Davis Medical Center, Sacramento, CA 95817, USA.
J Ultrasound Med. 2005 Jul;24(7):1011-5. doi: 10.7863/jum.2005.24.7.1011.