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Irwin ML, Yasui Y, Ulrich CM, Bowen D, Rudolph RE, Schwartz RS, Yukawa M, Aiello E, Potter JD, McTiernan A.Irwin ML, et al.JAMA. 2003 Jan 15;289(3):323-30. doi: 10.1001/jama.289.3.323.JAMA. 2003.PMID: 12525233Clinical Trial.