Zahumensky Josef, Gojis Ondrej, Kiss Imrich, Kucera Eduard
Department of Gynecology and Obstetrics, Third Medical Faculty, Charles University, Prague, Czech Republic.
Int J Gynaecol Obstet. 2013 Sep;122(3):261-2. doi: 10.1016/j.ijgo.2013.04.011. Epub 2013 Jun 21.