“Diagnosis of Achromobacter xylosoxidans and Klebseilla oxytoca as Etiological Agents of Peptic Ulcers”, EPSTEM, vol. 9, pp. 31–40, Jun. 2020, Accessed: Apr. 18, 2026. [Online]. Available: https://epstem.net/index.php/epstem/article/view/287