Makan, N, et al. “Knowledge, Attitudes and Practices of Undergraduate Health Sciences Students on Hepatitis B Vaccination at a South African University Highlight the Need for Improvement of Policies, Implementation and Co-Ordination”. South African Medical Journal, vol. 113, no. 5, May 2023, pp. 39-45, https://doi.org/10.7196/SAMJ.2023.v113i5.16556.