Hillman S C, Willams D, Carss K J, McMullan D J, Hurles M E, Kilby M D
College of Women's and Children's Health & School of Clinical and Experimental Medicine, College of Medicine and Dentistry, University of Birmingham, Edgbaston, Birmingham, UK; Fetal Medicine Centre, Birmingham Women's Foundation Trust, Edgbaston, Birmingham, UK.
Ultrasound Obstet Gynecol. 2015 Jan;45(1):4-9. doi: 10.1002/uog.14653. Epub 2014 Dec 9.