NAEEM , M; AHMAD , S; ULLAH , H; MUJAHID, .; ASLAM , AK; ALI , L; MASOOD , A. PREVALENCE OF H. PYLORI INFECTION IN PATIENTS PRESENTING WITH PERFORATED DUODENAL ULCER. Biological and Clinical Sciences Research Journal, [S. l.], v. 2023, n. 1, p. 642, 2023. DOI: 10.54112/bcsrj.v2023i1.642. Disponível em: https://www.bcsrj.com/ojs/index.php/bcsrj/article/view/642. Acesso em: 26 mar. 2026.