1. Use of a defoaming agent in gastroscopy;Gasster;Gastroenterology,1954
2. Defoaming in gastroscopy with silicone;Hirschowitz;Gastroenterology,1954
3. The Bubble Problem in Endoscopy;Waye;Gastrointest Endosc,1967
4. Pre-endoscopic use of oral simethicone;McDonald;Gastrointest Endosc,1978
5. Pre‑medication to improve esophagogastroduodenoscopic visibility: a meta‑analysis and systemic review;Chen;Hepatogastroenterology,2014