Sultan, Syed, Rashid Ahmed, Shah Jehan Afridi, Zahir Qureshi, and Irfan -ud-Din Khattak. “TYPHOID PERFORATIONS - PROGNOSTIC FACTORS AND MODE OF TREATMENT”. Journal of Ayub Medical College Abbottabad 5, no. 2 (July 12, 1992): 17–19. Accessed April 20, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4727.