1. Observation d'hydropneumopericarde, accompagnee d'un bruit de fluctuation perceptible a l'oreille;Bricketeau, M.;Archives Ge6nerales de Medecine,1844
2. Pneumopericardium associated with gastric cancer;Cramm, R.E.; Robinson, F.W.;Gastroenterology,1971
3. Non-traumatic pneumopericardium and pyo-pneumopericardium: report of two cases;Dassel, P.M.; Kirsh, I.E.;Radiology,1954
4. Spontaneous pneumopericardium;Dickson, D.S.P.; M, Girling-Butcher;New Zealand Medical Journal,1960
5. Pyopneumopericardium with cesophagopericardial fistula: report of a case with recovery. A cta Chirurgica;Dons, N.; Eriksen, K.R.; Ryssing, E.; Therkelsen, F.;Scandinavica,1964