A simple method to prevent Celestin tube regurgitation.
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000628:therapy*; D004938:Esophageal Neoplasms / Q000628:therapy*; D004947:Esophagus; D006801:Humans; D007440:Intubation / Q000379:methods*; D008297:Male