Hui Dini, Morrison Laurie J, Windrim Rory, Lausman Andrea Y, Hawryluck Laura, Dorian Paul, Lapinsky Stephen E, Halpern Stephen H, Campbell Douglas M, Hawkins Paul, Wax Randy S, Carvalho Jose C A, Dainty Katie N, Maxwell Cynthia, Jeejeebhoy Farida M
Department of Obstetrics and Gynaecology, Division of Maternal Fetal Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto ON.
Rescu, Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, University of Toronto, Toronto ON; Department of Medicine, Division of Emergency Medicine, University of Toronto, Toronto ON.
J Obstet Gynaecol Can. 2011 Aug;33(8):858-863. doi: 10.1016/S1701-2163(16)34991-X.