KARA B, ÜNSAL B, ALTINAY ZA, KARAOĞLU A Ö., YAZICIOĞLU N, KARACA H, et al. BLOOD CA19-9 LEVELS, ENDOSCOPIC APPEARANCE, HISTOPATHOLOGIC EVALUATION OF BIOPSIES FROM EDGE AND AROUND MUCOSA IN GASTRIC ULCERS. Turkish Journal of Gastroenterology [Internet]. 2020 Apr. 20 [cited 2025 Jul. 25];4(4):648-9. Available from: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/231