The "pop-top" tab. A cause of esophageal stenosis.
D001466:Barium Sulfate; D001515:Beer; D002675:Child, Preschool; D004940:Esophageal Stenosis / Q000000981:diagnostic imaging / Q000209:etiology*; D004947:Esophagus; D005260:Female; D005547:Foreign Bodies / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D011859:Radiography
D001466:Barium Sulfate