BISGARD, J D Surgical management of instrumental perforation of the esophagus. [electronic resource] - Archives of surgery (Chicago, Ill. : 1920) Jun 1949 - 739-51 p. digital Publication Type: Journal Article ISSN: 0272-5533 Standard No.: 10.1001/archsurg.1949.01240030750002 doi Subjects--Topical Terms: Esophageal PerforationHealth ServicesHumans