I.R., Izatullaev, Botirov A.K., and Nosirov M.M. “Perforated Peptic Ulcer Disease: Review of History and Treatment”. RA Journal Of Applied Research 8, no. 5 (May 15, 2022): 368–374. Accessed July 22, 2024. https://rajournals.in/index.php/rajar/article/view/903.