Birkett Russell, Parry-Smith William, Todd Richard
a Department of Gynae-Oncology and.
b Department of Obstetrics and Gynaecology , University Hospital of North Staffordshire , North Staffordshire , UK.
J Obstet Gynaecol. 2016 May;36(4):498-9. doi: 10.3109/01443615.2015.1094040. Epub 2016 Feb 15.