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2. 1969. Pathological basis of primary heart block;Davies, M.; Harris, A.;British Heart journal
3. Sites of chronic heart block in adults clinical and electrocardiographic correlations (abstract). Circulation, 45 and 46, Suppl;Ehsani, A.; Rosen, K.; Dhingra, R.; Loeb, H.; Rahimtoola, S.H.;II,1972
4. Intermittent heart block related to treatment of hypertension in a patient with acute myocardial infarction;Gershengorn, K.; Haft, J.I.;Chest,1972
5. Intraventricular conduction time (H-V interval) during antegrade conduction in patients with heart block;Gupta, P.K.; Lichstein, E.; Chadda, K.D.;American Journal of Cardiology,1973