Sjirk Westra, Ira Adler, Daniel Batton, Bradford Betz, Steven Bezinque, Sara Durfee, Kirsten Ecklund, Kate Feinstein, Lynn Fordham, Joseph Junewick, Robert Lorenzo, Roy McCauley, Cindy Miller, Joanna Seibert, Karl Kuban, Elizabeth Allred, Alan Leviton
J Clin Ultrasound.
Author manuscript; available in PMC 2010 November 22.Published in final edited form as: J Clin Ultrasound. 2010 October; 38(8): 409–419. doi: 10.1002/jcu.20708