Sethi, D S Migrating foreign bodies in the upper digestive tract. [electronic resource] - Annals of the Academy of Medicine, Singapore May 1992 - 390-3 p. digital Publication Type: Case Reports; Journal Article ISSN: 0304-4602 Subjects--Topical Terms: AdultEsophageal Perforation--diagnostic imagingFemaleForeign-Body Migration--diagnosisHumansMaleMiddle AgedRadionuclide Imaging