Abro, A. H., Haider, I. Z., & Ahmad, S. (2011). HELICOBACTER PYLORI INFECTION IN PATIENTS WITH CALCULAR CHOLECYSTITIS: A HOSPITAL BASED STUDY. Journal of Ayub Medical College Abbottabad, 23(1), 30–33. Retrieved from https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/2577