Abro, Arshad Hussain, Irfan Zafar Haider, and Sarfraz Ahmad. “HELICOBACTER PYLORI INFECTION IN PATIENTS WITH CALCULAR CHOLECYSTITIS: A HOSPITAL BASED STUDY”. Journal of Ayub Medical College Abbottabad 23, no. 1 (March 1, 2011): 30–33. Accessed April 11, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/2577.