Gaujal L, Simon E G, Kellal I, Bleuzen A, Perrotin F
Department of Obstetrics, Gynaecology and Fetal Medicine, University Hospital Center of Tours François-Rabelais University de Tours , Tours , France.
J Obstet Gynaecol. 2015 May;35(4):413-4. doi: 10.3109/01443615.2014.961908. Epub 2014 Sep 25.