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Hawes SE, Critchlow CW, Sow PS, Touré P, N'Doye I, Diop A, Kuypers JM, Kasse AA, Kiviat NB.Hawes SE, et al. Among authors: kuypers jm.J Natl Cancer Inst. 2006 Jan 18;98(2):100-9. doi: 10.1093/jnci/djj010.J Natl Cancer Inst. 2006.PMID: 16418512