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Khalil A, Morales-Rosello J, Khan N, Nath M, Agarwal P, Bhide A, Papageorghiou A, Thilaganathan B.Khalil A, et al.Am J Obstet Gynecol. 2017 Jun;216(6):606.e1-606.e10. doi: 10.1016/j.ajog.2017.02.005. Epub 2017 Feb 8.Am J Obstet Gynecol. 2017.PMID: 28189607