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Maguire LH, Song M, Strate LE, Giovannucci EL, Chan AT.Maguire LH, et al. Among authors: chan at.Clin Gastroenterol Hepatol. 2013 Dec;11(12):1631-5. doi: 10.1016/j.cgh.2013.07.035. Epub 2013 Aug 15.Clin Gastroenterol Hepatol. 2013.PMID: 23954650Free PMC article.
Chan AT, Ma J, Tranah GJ, Giovannucci EL, Rifai N, Hunter DJ, Fuchs CS.Chan AT, et al.J Natl Cancer Inst. 2005 Jun 15;97(12):917-26. doi: 10.1093/jnci/dji165.J Natl Cancer Inst. 2005.PMID: 15956653