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Journal of Clinical Ultrasound > 45 > 6 > 319 - 327
Journal of Ultrasound > 2015 > 18 > 2 > 191-195
American Journal of Obstetrics and Gynecology > 2012 > 207 > 1 > 44.e1-44.e13
Journal of Clinical Ultrasound > 45 > 6 > 319 - 327
Journal of Ultrasound > 2015 > 18 > 2 > 191-195
American Journal of Obstetrics and Gynecology > 2012 > 207 > 1 > 44.e1-44.e13