title: Ringed esophagus: unclear relationship to gastroesophageal reflux disease.
authors.forename: P A
authors.initials: PA
authors.lastname: Bonis
mesh_terms: D004935:Esophageal Diseases / Q000209:etiology* / Q000473:pathology*; D004947:Esophagus / Q000473:pathology*; D005764:Gastroesophageal Reflux / Q000150:complications*; D006801:Humans