Jauniaux Eric, Collins Sally L
Department of Obstetrics and Gynaecology, University College London Hospitals and UCL Institute for Women's Health, University College London (UCL), London, UK.
Nuffield Department of Obstetrics & Gynaecology, University of Oxford, Oxford, UK.
BJOG. 2017 Jan;124(1):164-165. doi: 10.1111/1471-0528.14284.