1. Escape-capture bigeminy. Report of a case of A-V dissociation initiated by 2: 1 S-A block with resulting bigeminal rhythm;Bradley, S.M.; Marriott, H.J.L.;Amer. J. Cardiol,1958
2. Disorders of rhythm appearing after implantation of synchronized pacemakers;Castellanos, Jr., A.; Lemberg, L.;Brit. Heart J,1964
3. Evaluation of countershock treatment of atrial flutter. With special reference to arrhythmias related to this procedure;Castellanos, Jr., A.; Lemberg, L.; Gosselin, A.; Fonseca, E.J.;Arch. intern. Med,1965
4. Pacemaking on demand in AV block;Lemberg, L.; Castellanos, Jr., A.; Berkovits, B.V.;J. Amer. med. Ass,1965
5. Depression of cardiac pacemakers by premature impulses;Pick, A.; Langendorf, R.; Katz, L.N.;Amer. Heart J,1951