Apadet, O.L., J.R. Ongus, and J.K. Mutai. “Perceptions of Healthcare Workers on the Human Papilloma Virus Vaccines at Selected Health Facilities in Nairobi, Kenya”. African Journal of Health Sciences 29, no. 1 (December 9, 2019): 69–75. Accessed August 26, 2026. https://www.ajol.info/index.php/ajhs/article/view/191690.