1. Alternating Wenckebach periodicity: a common electrophysiologic response;Amat-y-Leon, F.; Chuquimia, R.; Wu, D.; Denes, P.; Dhingra, R.C.; Wyndham, C.; Rosen, K.M.;American Journal of Cardiology,1975
2. Alternating Wenckebach periods occurring in the atria, His-Purkinje system, ventricles and Kent bundle;Castellanos, A.; Sung, R.J.; Aldrich, J.L.; Mendoza, I.J.; Myerburg, R.J.;American J'ournal of Cardiology,1977
3. The AV node: normal and abnormal physiology;Childers, R.;Progress in Cardiovascular Diseases,1977
4. Dhingra, R. C., Rosen, K. M., and Rahimtoola, S. H. (1973).
5. Wenckebach periods with repetitive block: evaluation with His bundle recording;American Heart Journal