Jovanović, Željko, and Sara Karmel. “Some Factors Influencing Underreporting of Suspected Vaccine Side Effects”. Paediatria Croatica 67, no. 3-4 (July 14, 2024): 65–70. Accessed December 15, 2025. https://paedcro.izahost.com/index.php/paedcro/article/view/258.