YAU CHUN, L. A Systematic Review of Factors Influencing Parental Refusal or Delay in Childhood Vaccination. Borneo Journal of Medical Sciences (BJMS), [S. l.], n. 1, p. 9–10, 2018. DOI: 10.51200/bjms.vi1.1360. Disponível em: https://jurcon.ums.edu.my/ojums/index.php/bjms/article/view/1360. Acesso em: 31 may. 2025.