Ray Joel G, Park Alison L, Bartsch Emily, Feig Denice S, Booth Gillian L
Department of Medicine, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada; Keenan Research Centre, Li Ka Shing Knowledge Institute, Toronto, Ontario, Canada; Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
Eur J Obstet Gynecol Reprod Biol. 2017 Apr;211:220-222. doi: 10.1016/j.ejogrb.2017.01.049. Epub 2017 Jan 30.