Citation:Franceschi S, Herrero R, Clifford GM, Snijders PJ, Arslan A, Anh PT, et al 2006
From National Cancer Control Policy
Franceschi S, Herrero R, Clifford GM, Snijders PJ, Arslan A, Anh PT, et al. Variations in the age-specific curves of human papillomavirus prevalence in women worldwide. Int J Cancer 2006 Dec 1;119(11):2677-84 Available from: http://www.ncbi.nlm.nih.gov/pubmed/16991121.
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