Dong, Tao A ticking time-bomb underneath an esophageal ulcer. [electronic resource] - Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 02 2020 - 233 p. digital Publication Type: Case Reports; Journal Article ISSN: 1878-3562 Standard No.: 10.1016/j.dld.2019.11.012 doi Subjects--Topical Terms: Esophageal Diseases--etiologyForeign Bodies--complicationsGastroscopyHumansMaleMiddle AgedTomography, X-Ray ComputedUlcer--etiology