1. Aplasia of the pericardium;Bor, I.; Kafka, V.;J. cardicvasc. Surg,1961
2. Incomplete pericardial sac; escape of heart into left pleural cavity;Boxall, R.;Trans. obstet. Soc. Lond,1887
3. Congenital defect of the pericardium;Bruning, E.G.H.,1962
4. Case of congenital defect of pericardium revealed after application of sinistrolateral pneumothorax;Dahl, E.,1937
5. Congenital deficiencies in the parietal pericardium;Ellis, K.; Leeds, N.E.; Himmelstein, A.;Amer. J. Roentgenol,1959