Authors: 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 Journal: J Clin Ultrasound Date: 2010-10 Impact factor: 0.910