Unger, E. R., & Barr, E. (2004). Human Papillomavirus and Cervical Cancer. Centers for Disease Control and Prevention.
Citação norma ChicagoUnger, Elizabeth R., and Eliav Barr. Human Papillomavirus and Cervical Cancer. Centers for Disease Control and Prevention, 2004.
MLA CitationUnger, Elizabeth R., and Eliav Barr. Human Papillomavirus and Cervical Cancer. Centers for Disease Control and Prevention, 2004.
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