1. Sensing problems with cardiac pacemakers;Barold,1973
2. Cardiovascular instrumentation: techniques and significance of threshold measurement for cardiac pacing;Barold;Chest,1976
3. Permanent atrial pacing. Epicardial approach—“pinch-on” electrodes;Calvin;Arch Surg,1976
4. Clinical application of parasternal mediastinotomy;Calvin;Arch Surg,1971
5. Parasternal mediastinal approach for permanent cardiac pacemaker implantation;Calvin;Chest,1975