Khan MH, Kamran H, Naveed M, Ali M, Khan AH. Determinants of Peptic Ulcer: Determinants of Peptic Ulcer. PBMJ [Internet]. 2020 Jun. 30 [cited 2024 May 3];3(1). Available from: https://pakistanbmj.com/journal/index.php/pbmj/article/view/6