1. Physiological Rationale for the Clinical Use of Low Output Pacemakers;Smyth;Med. Ann. D. C.,1974
2. The Clinical Application of Low-Output Pacemakers;Center;J. Thorac. Cardiovasc. Surg,1972
3. A Modified Variable Parameter Cardiac Pacer;Smyth;Chest,1970
4. Sowton, E.: Current Aspects of Long-Term Pacing, Digest, Seventh International Conference on Medical and Biological Engineering, Stockholm, 1967, p. 63.
5. Decreasing Electrode Size and Increasing Efficiency of Cardiac Stimulation;Furman;J. Surg. Res.,1971