Mustafa Ahmed, Ahmed. “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 (ZJMS) 29, no. 3 (December 22, 2025): 600–609. Accessed February 27, 2026. https://zjms.hmu.edu.krd/index.php/zjms/article/view/1145.