title: Modification of Teflon esophageal dilators for blind dilation over a string.
mesh_terms: D004106:Dilatation / Q000295:instrumentation; D004940:Esophageal Stenosis / Q000628:therapy*; D004945:Esophagoscopy; D005465:Fluorocarbon Polymers; D006801:Humans; D008722:Methods
chemical_list: D005465:Fluorocarbon Polymers