1. Direct measurement of human cardiac excitability;Lewis;J. Clin. Invest.,1961
2. Excitability of the human heart on endocardial stimulation;Feldman;Clin. Res.,1963
3. The super-normal phase of ventricular excitation in man: Its bearing on the genesis of ventricular premature beats and a note on atrioventricular conduction;Soloff;Am. Heart J.,1960
4. Quantitative studies of ventricular refractory and supernormal periods in man;Linenthal;Tr. A. Am. Physicians,1962
5. Observations in patients with implanted pacemaker;Dressler,1962