“The State of Human Papillomavirus (HPV) Vaccination Among Secondary School Adolescents in Nnewi, Nigeria Prior to Free Routine HPV Vaccine Rollout”. NIGERIAN JOURNAL OF PAEDIATRICS 51, no. 3 (November 2, 2024): 241–250. Accessed May 15, 2026. https://njpaediatrics.com/index.php/njp/article/view/1190.