Shah, Uzma, Yasir Shafiq, and Muhammad Arif Mateen Khan. “GASTROGRAFFIN USE IN DISTAL INTESTINAL OBSTRUCTION SYNDROME OF CYSTIC FIBROSIS”. Journal of Ayub Medical College Abbottabad 19, no. 1 (March 1, 2007): 58–60. Accessed March 14, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4294.