Celik, Binnaz, and Melek Nur Sahbaz. “Parental Knowledge and Attitudes about Meningococcal Infections and Vaccination”. Annals of Medical Research 29, no. 1 (January 24, 2022): 0068–0072. Accessed December 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/4025.