参考文献：
1.Use of 9-Valent Human Papillomavirus (HPV) Vaccine: Updated HPV Vaccination Recommendations of the Advisory Committee on Immunization Practices from Morbidity and Mortality Weekly Report (MMWR)， published on March 27, 2015.
2.Recommendations of HPV vaccine form ACOG
3.Merck Company. Highlights of prescribing information for Gardasil. 2015
4.CDC.Supplemental information and guidance for vaccination providers regarding use of 9-valent HPV vaccine. 2015
转帖
