“Role of IgM: IgG ratio in differentiating Primary and Secondary Dengue virus infection in a Tertiary Care Hospital, A Cross Sectional Study”, IJFANS, vol. 11, no. 11, pp. 17844–17857, Jan. 2022, Accessed: Aug. 25, 2026. [Online]. Available: http://www.ijfans.org/index.php/Journal/article/view/12419