1. Hydropneumopericardium;Shackelford;J. A. M. A.,1931
2. Pneumopericardium;Bricheteau;Arch. gen de med. servis,1844
3. Pneumopericardium;James;Am. Phys.,1904
4. Buist, J.: cited by James.3
5. Esophagopericardial Fistula;McDaniel;J. Thoracic Surg.,1957