1. Primary tumour of the heart containing epithelium like elements;Anderson, W.A.D.; Dmytryk, E.T.;American J'ournal of Pathology,1946
2. Lymphangio-endothelioma of the A. V. node, causing heart block;Armstrong, H.;Liverpool Medico-Chirurgical Journal,1913
3. Mesothelioma of atrioventricular node;Fine, G.; Morales, A.R.;Archives of Pathology,1971
4. Intracardiac endodermal heterotopia;Honey, M.; Axelrad, M.A.;British Heart Journal,1962
5. Heart block due to epithelial heterotopia;Hopkinson, J.M.; Newcombe, C.P.;Journal of Pathology and Bacteriology,1971