Muhammad Bilal Khattak, Ehtisham Haider, Muhammad Hafeez, Khawar Shabir, Rafiudin, and Hafizullah Khan. “COMPARISON OF EARLY NEEDLE-KNIFE SPHINCTEROTOMY VS STANDARD BILIARY CANNULATION IN PREVENTING ERCP ASSOCIATED PANCREATITIS IN CASES OF DIFFICULT BILIARY CANNULATION -A TERTIARY CARE EXPERIENCE”. Journal of Ayub Medical College Abbottabad 36, no. 4 (Suppl 1) (December 16, 2024). Accessed March 14, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/13953.