1. Interference with function of unipolar pacemaker due to muscle potentials;Anderson;J. Thorac. Cardiovasc. Surg.,1976
2. Sensing problems with demand pacemakers;Barold,1973
3. Effects of increasing pacemaker sensing circuit impedance on R-wave detection;Brownlee;Surg. Forum,1976
4. Choice of cardiac pacemakers;Furman;Ann. N. Y. Acad. Sci.,1969
5. In discussion: In technical and clinical aspects of pacing electrodes;Greathbatch;Ann. N. Y. Acad. Sci.,1969