GÜLŞEN, Mustafa, Kurtuluş YILMAZ, A. Kemal GÜRBÜZ, Sait BAĞCI, Halis KÖYLÜ, Can UYGURER, and Necmettin KARAEREN. “Gastric Juice Ascorbic Acid Concentrations in Helicobacter Pylori (+) and (-) Patients”. Turkish Journal of Gastroenterology 6, no. 1 (January 1, 1995): 102–104. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/581.