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Giede C, Le T, Power P; SOGC-GOC-SCC POLICY AND PRACTICE GUIDELINES COMMITTEE; SPECIAL CONTRIBUTORS.Giede C, et al.J Obstet Gynaecol Can. 2013 Apr;35(4):370-371. doi: 10.1016/S1701-2163(15)30966-X.J Obstet Gynaecol Can. 2013.PMID: 23660046English, French.