SYED ABBAS ALI SHAH , AWAIS ALI KHAN , NAJAM HUSSAIN , HUMA ASLAM ; NAVEED ABBAS, ATTA UL ALEEM KHALID. Diagnostic Accuracy of Serology Testing for Helicobacter Pylori in Perforated Peptic Ulcer. Journal of Rawalpindi Medical College, Rawalpindi, Pakistan, v. 18, n. 2, 2014. Disponível em: https://www.journalrmc.com/index.php/JRMC/article/view/353. Acesso em: 28 nov. 2025.