Obradovic, Zarema, Amina Obradović, and Arzija Pašalić. “Influenza Vaccination Dilemmas”. Journal of Health Sciences 6, no. 3 (December 20, 2016): 137-142. Accessed October 26, 2020. https://www.jhsci.ba/ojs/index.php/jhsci/article/view/549.