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Vitonis AF, Hankinson SE, Hornstein MD, Missmer SA.Vitonis AF, et al. Among authors: missmer sa.Epidemiology. 2010 Jan;21(1):16-23. doi: 10.1097/EDE.0b013e3181c15d40.Epidemiology. 2010.PMID: 19901838Free PMC article.