1. What’s New;Agency for Healthcare Research & Quality (AHRQ),2021
2. Introducing HPV vaccine in developing countries–key challenges and issues;Agosti;N. Engl. J. Med,2007
3. The Groundbreaking History Of The World’s First Malaria Vaccine: Gavi Alliance Board Approves World First Malaria Vaccine Rollout;Alliance,2021
4. Latest News;American Cancer Society,2021
5. Clinical Information;American Congress of Obstetricians and Gynecologists. (ACOG),2021