@inbook{1143534325,
author={Kenneth J. Ryan and C. George Ray},
title={Virus del papiloma y del polioma},
booktitle={Sherris. Microbiología médica, 6e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2017},
url={accessmedicina.mhmedical.com/content.aspx?aid=1143534325}
}