Hanif, S., S. Bai, E. U. Rehman, M. H. Memon, M. Ashfaq, and R. . “Emerging Trends of Resistance of Typhoid Fever in Paediatric Population: A Hospital Based Study”. Journal of Liaquat University of Medical & Health Sciences, vol. 20, no. 01, Apr. 2021, pp. 21-25, http://ojs.lumhs.edu.pk/index.php/jlumhs/article/view/603.