Wangwa, Fred. „Health Systems Factors influencing Initiation to Human papillomavirus Vaccination among Adolescent Girls aged 9 to 17 years in Eastern Uganda. A Cross-sectional Study”. Student’s Journal of Health Research Africa, vol. 3, nr. 6, iunie 2022, p. 10, https://doi.org/10.51168/sjhrafrica.v3i6.126.