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Bischoff-Ferrari HA, Giovannucci E, Willett WC, Dietrich T, Dawson-Hughes B.Bischoff-Ferrari HA, et al. Among authors: giovannucci e.Am J Clin Nutr. 2006 Jul;84(1):18-28. doi: 10.1093/ajcn/84.1.18.Am J Clin Nutr. 2006.PMID: 16825677Free article.Review.