Factors Associated With the Completion of Hepatitis B Vaccine among University Students in Nigeria. Global Journal of Medical Research, [S. l.], v. 16, n. K5, p. 1–8, 2016. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/1163. Acesso em: 13 aug. 2026.