Shirk Gerald J, Johns Alan, Redwine David B
Department of Obstetrics and Gynecology, Roy and Lucille Carver Medical School, University of Iowa, Iowa City, Iowa, USA.
J Minim Invasive Gynecol. 2006 Jul-Aug;13(4):352-9; quiz 360-1. doi: 10.1016/j.jmig.2006.03.020.