Glenn Orit A, Norton Mary E, Goldstein Ruth B, Barkovich A James
Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143-0628, USA.
J Ultrasound Med. 2005 May;24(5):711-6. doi: 10.7863/jum.2005.24.5.711.