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Rasmussen SA, Chu SY, Kim SY, Schmid CH, Lau J.Rasmussen SA, et al. Among authors: kim sy.Am J Obstet Gynecol. 2008 Jun;198(6):611-9. doi: 10.1016/j.ajog.2008.04.021.Am J Obstet Gynecol. 2008.PMID: 18538144Review.
Kim SY, Saraiva C, Curtis M, Wilson HG, Troyan J, Sharma AJ.Kim SY, et al.Am J Public Health. 2013 Oct;103(10):e65-72. doi: 10.2105/AJPH.2013.301469. Epub 2013 Aug 15.Am J Public Health. 2013.PMID: 23947320Free PMC article.