KARA, B. (2020) “BLOOD CA19-9 LEVELS, ENDOSCOPIC APPEARANCE, HISTOPATHOLOGIC EVALUATION OF BIOPSIES FROM EDGE AND AROUND MUCOSA IN GASTRIC ULCERS”, Turkish Journal of Gastroenterology, 4(4), pp. 648–649. Available at: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/231 (Accessed: 25 July 2025).