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Wicki A, Niggli V.Wicki A, et al. Among authors: niggli v.Int J Cancer. 2001 Mar 15;91(6):763-71. doi: 10.1002/1097-0215(200102)9999:9999<::aid-ijc1128>3.0.co;2-b.Int J Cancer. 2001.PMID: 11275977Free article.