VAN ZYL, G U; MAPONGA, T; RABIE, H; TALJAARD , J. The role of new hepatitis B vaccines in South Africa. South African Medical Journal, South Africa, v. 114, n. 2, p. e1473, 2024. DOI: 10.7196/SAMJ.2024.v114i2.1473. Disponível em: https://samajournals.co.za/index.php/samj/article/view/1473. Acesso em: 3 oct. 2025.