Bourne T, Leonardi M, Kyriacou C, Al-Memar M, Landolfo C, Cibula D, Condous G, Metzger U, Fischerova D, Timmerman D, van den Bosch T
Early pregnancy and Acute Gynaecology Unit, Department of Obstetrics and Gynaecology, Queen Charlotte's and Chelsea Hospital, Imperial College, London, UK.
Department of Obstetrics and Gynaecology, University Hospitals Leuven, Leuven, Belgium.
Ultrasound Obstet Gynecol. 2020 Jun;55(6):879-885. doi: 10.1002/uog.22047.