Shah SA, Amir S. Frequency of Extensively Drug Resistant Typhoid Fever in Children Aged 4-16 Years at Pediatrics Unit of Khyber Teaching Hospital. Biol Clin Sci Res J [Internet]. 2025 Feb. 28 [cited 2026 Jun. 26];6(2):16-8. Available from: https://bcsrj.com/ojs/index.php/bcsrj/article/view/1551