MUSTAFA AHMED, A. . Prevalence of helicobacter pylori infection in patients with upper GI symptoms: A comparison between normal and abnormal upper gastrointestinal endoscopy findings. Zanco Journal of Medical Sciences (Zanco J Med Sci), [S. l.], v. 29, n. 3, p. 600–609, 2025. DOI: 10.15218/zjms.2025.065. Disponível em: https://zjms.hmu.edu.krd/index.php/zjms/article/view/1145. Acesso em: 27 dec. 2025.