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Ramsey SD, Moinpour CM, Lovato LC, Crowley JJ, Grevstad P, Presant CA, Rivkin SE, Kelly K, Gandara DR.Ramsey SD, et al. Among authors: crowley jj.J Natl Cancer Inst. 2002 Feb 20;94(4):291-7. doi: 10.1093/jnci/94.4.291.J Natl Cancer Inst. 2002.PMID: 11854391Clinical Trial.