Tayyeb Ullah, Suliman Shah, Haider Ali, Muhammad Marwan, Sidra Jabeen, Khalid Habib. FREQUENCY OF H. PYLORI INFECTION IN PERFORATED PEPTIC ULCER PATIENTS. J Popl Ther Clin Pharmacol [Internet]. 2024 Dec. 27 [cited 2025 Sep. 20];31(11):1983-7. Available from: https://www.jptcp.com/index.php/jptcp/article/view/9152