Ofoegbu, Chima K P A case of esophagopericardial fistula as a complication of upper gastro-intestinal endoscopy. [electronic resource] - Journal of surgical technique and case report Jan 2014 - 18-20 p. digital Publication Type: Case Reports; Journal Article ISSN: 2006-8808 Standard No.: 10.4103/2006-8808.135142 doi