Savvidou Makrina D, Setchell Thomas E, Sieunarine Krishen, Smith J Richard
Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital and West London Gynaecologic Cancer Centre, Hammersmith Hospital, London, UK.
Acta Obstet Gynecol Scand. 2006;85(5):629-31. doi: 10.1080/00016340600608451.