ACUTE UPPER GASTROINTESTINAL BLEED: ETIOLOGICAL SPECTRUM IN A TERTIARY CARE HOSPITAL OF NORTH WEST REGION OF PAKISTAN. J Popl Ther Clin Pharmacol [Internet]. 2022 Apr. 14 [cited 2024 Oct. 4];29(02):393-6. Available from: https://www.jptcp.com/index.php/jptcp/article/view/4574