“FREQUENCY OF EXTENSIVELY DRUG-RESISTANT TYPHOID FEVER AND ASSOCIATED FACTORS AMONG CHILDREN PRESENTING TO A TERTIARY CARE HOSPITAL IN KARACHI, PAKISTAN” (2026) Bioscience Insights, 3(3), pp. 1248–1258. Available at: https://biosciinsights.com/index.php/BI/article/view/334 (Accessed: 7 November 2026).