Ogasawara K, Nakajima S, Sato H, Sasaki T. Helicobacter pylori eradication using laser endoscope and methylene blue. Laser Ther [Internet]. 2020 Apr. 18 [cited 2026 Aug. 26];29(1):19-27. Available from: https://www.lasertherapyjournal.com/ltj/article/view/250