Oesophageal self-bougienage.
D000368:Aged; D004106:Dilatation; D019723:Endoscopes; D004940:Esophageal Stenosis / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012648:Self Care / Q000295:instrumentation*