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Cowling VH, Cole MD.Cowling VH, et al. Among authors: cole md.Semin Cancer Biol. 2006 Aug;16(4):242-52. doi: 10.1016/j.semcancer.2006.08.001. Epub 2006 Aug 4.Semin Cancer Biol. 2006.PMID: 16935524Review.