1. Significance of marked left axis deviation. Electrocardiographic-pathologic correlative study;Come, R.A.; Parkin, T.W.; Brandenburg, R.O.; Brown, A.L.;American Journal of Cardiology,1965
2. The pathologic basis of the electrocardiographic pattem of parietal block;Entman, M.L.; Estes, E.H.; Hackel, D.B.;American Heart journal,1967
3. Quantitative and electrocardiographic correlation of the conduction system of the heart;Hawley, R.L.; Pryor, R.;(Abstract.) American Journal of Cardiology,1965
4. Vectorcardiographic study of QRS loop in patients with left superior axis deviation and right bundle-branch block;Kulbertus, H.; Collignon, P.; Humblet, L.;British Heart Journal,(I97ob).
5. Experimental vectorcardiographic observations;Pryor, R.; Blount, S.G.;Journal of Electrocardiology; The clinical significance of true left axis deviation,1966