Ghossein-Doha C, Khalil A, Lees C C
Department of Obstetrics and Gynaecology, Maastricht University Medical Centre (MUMC) & Cardiology Department, Zuyderland Medisch Centrum Heerlen, Maastricht, The Netherlands.
Fetal Medicine Unit, Department of Obstetrics and Gynaecology, St George's University of London, London, UK.
Ultrasound Obstet Gynecol. 2017 Jan;49(1):10-14. doi: 10.1002/uog.17377.