Citation:Walboomers JM, Jacobs MV, Manos MM, Bosch FX, Kummer JA, Shah KV, et al 1999
From National Cancer Control Policy
Walboomers JM, Jacobs MV, Manos MM, Bosch FX, Kummer JA, Shah KV, et al. Human papillomavirus is a necessary cause of invasive cervical cancer worldwide. J Pathol 1999 Sep;189(1):12-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/10451482.
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