Masood, Q. F. (2009) “A CASE OF NON-SURGICAL PNEUMOPERITONIUM: GAS UNDER THE DIAPHRAGM”, Journal of Ayub Medical College Abbottabad, 21(2), pp. 176–177. Available at: https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/3657 (Accessed: 3 May 2025).