Selo-Ojeme Dan, Pathak Sonu, Aziz Asma, Odumosu Modupe
Department of Obstetrics and Gynecology, Women's Health Division, Barnet and Chase Farm Hospitals NHS Trust, Enfield, UK.
Int J Gynaecol Obstet. 2013 Aug;122(2):159-60. doi: 10.1016/j.ijgo.2013.03.005. Epub 2013 Apr 15.