Onur Keskin, Çağlar Keskin. How to evaluate gastroesophageal sphincter incompetence. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Jul. 6];26(5):439-. Available from: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3186