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Bujold E, Tapp S, Audibert F, Ferreira E, Forest JC, Rey E, Fraser WD, Chaillet N, Giguère Y.Bujold E, et al.J Obstet Gynaecol Can. 2011 May;33(5):480-483. doi: 10.1016/S1701-2163(16)34882-4.J Obstet Gynaecol Can. 2011.PMID: 21639969