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Nkondjock A, Krewski D, Johnson KC, Ghadirian P; Canadian Cancer Registries Epidemiology Research Group.Nkondjock A, et al. Among authors: ghadirian p.Int J Cancer. 2005 May 1;114(5):817-23. doi: 10.1002/ijc.20800.Int J Cancer. 2005.PMID: 15609315Free article.