title: Multiple esophageal rings.
authors.affiliation: Department of Gastroenterology, Framingham Union Hospital, Massachusetts 01701.
authors.forename: V P
authors.initials: VP
authors.lastname: Agarwal
authors.forename: B R
authors.initials: BR
authors.lastname: Marcel
mesh_terms: D000328:Adult; D000747:Anemia, Hypochromic / Q000150:complications; D001464:Barium; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging; D003680:Deglutition Disorders / Q000150:complications; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D001464:Barium