A. ÖZDEN, Ö. KOÇ, B. YEŞİLDAĞ, M.K. BALCI, and E. BAŞPINAR. “Hydrogen Gas Production in Turkish Population”. Turkish Journal of Gastroenterology 4, no. 3 (April 19, 2020): 549–551. Accessed July 5, 2025. https://tjg.avesjournals.com/index.php/tjg/article/view/383.