Authors: Gavin Stuart; Gregory Taylor; Christina M Bancej; Jennifer Beaulac; Terence Colgan; Eduardo L Franco; Rhonda Y Kropp; Robert Lotocki; Verna Mai; C Meg McLachlin; Jay Onysko; Ruth Elwood Martin; Laurie Elit; Fernando Guijon; Janice Mann; Gina Ogilvie; Barbara Romanowski; Margaret Tromp Journal: J Obstet Gynaecol Can Date: 2004-11