Zheng, L., Wu, J., & Zheng, M. (2021). Barriers to and Facilitators of Human Papillomavirus Vaccination Among People Aged 9 to 26 Years: A Systematic Review. Sexually transmitted diseases, 48(12), e255. https://doi.org/10.1097/OLQ.0000000000001407
Chicago Style (17th ed.) CitationZheng, Luyan, Jie Wu, and Min Zheng. "Barriers to and Facilitators of Human Papillomavirus Vaccination Among People Aged 9 to 26 Years: A Systematic Review." Sexually Transmitted Diseases 48, no. 12 (2021): e255. https://doi.org/10.1097/OLQ.0000000000001407.
MLA (9th ed.) CitationZheng, Luyan, et al. "Barriers to and Facilitators of Human Papillomavirus Vaccination Among People Aged 9 to 26 Years: A Systematic Review." Sexually Transmitted Diseases, vol. 48, no. 12, 2021, p. e255, https://doi.org/10.1097/OLQ.0000000000001407.