Muhammad Rehman Gulzar, Umer Farooq, Salman Azeem, and Ahmad Azeem. 2019. “CLINICAL STUDY FOR THE OBSERVATION OF EPIDEMIOLOGICAL TRENDS IN PEPTIC ULCER PERFORATION”. Journal of University Medical & Dental College 10 (1), 52-57. https://www.jumdc.com/index.php/jumdc/article/view/30.