Mat, S. N., Ismail, N., Taib, S., Ghazi, H. F., Azhar, Z. I., Jeffree, M. S., Mohammed Nawi, A. and Hassan, M. R. (2018) “Acceptance Factors of Pneumococcal Vaccination Among Adult Population: A Systematic Review”, International Journal of Public Health Research, 8(2), pp. 1006–1014. Available at: https://spaj.ukm.my/ijphr/index.php/ijphr/article/view/222 (Accessed: 29 April 2024).