Ambreen Chaudhry (2020) “Contribution and Effectiveness of Event-Based Surveillance System in Disease Detection and Containment in Pakistan for Year 2017”, Pakistan Journal of Medical Research, 58(4), pp. 176–179. Available at: https://pjmr.org.pk/index.php/pjmr/article/view/24 (Accessed: 15 October 2026).