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Sword W, Niccols A, Fan A.Sword W, et al.BMC Public Health. 2004 Apr 15;4:10. doi: 10.1186/1471-2458-4-10.BMC Public Health. 2004.PMID: 15086957Free PMC article.
McDonald SD, Pullenayegum E, Taylor VH, Lutsiv O, Bracken K, Good C, Hutton E, Sword W.McDonald SD, et al. Among authors: sword w.Am J Obstet Gynecol. 2011 Oct;205(4):333.e1-6. doi: 10.1016/j.ajog.2011.05.039. Epub 2011 May 27.Am J Obstet Gynecol. 2011.PMID: 21784404