Citation:Clifford GM, Smith JS, Plummer M, Muñoz N, Franceschi S 2003
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Citation
Clifford GM, Smith JS, Plummer M, Muñoz N, Franceschi S. Human papillomavirus types in invasive cervical cancer worldwide: a meta-analysis. Br J Cancer 2003 Jan 13;88(1):63-73 Available from: http://www.ncbi.nlm.nih.gov/pubmed/12556961.
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