%0 Journal Article %T A Cost-effectiveness Study of the Quadrivalent HPV6/11/16/18 Vaccination in a Two-dose Scheme in Girls of 9-11 Years Old Compared to Bivalent HPV 16/18 Vaccination in Ecuador and Challenges for Public Health and Screening %J Journal Information: ISSN: Frequency: Journal DOI: Peer-review model: NLM ID: Index Copernicus Value: Digital Archiving: Disclaimer: %D 2017 %R 10.9734/ISRR/2017/35382 %U http://www.sciencedomain.org/abstract/20743