1. Five years' clinical experience with an implantable pacemaker. An appraisal.;Chardack;Surgery,1965
2. The detection of impending failure in implanted pacemakers.;Davies;Thorax,1969
3. Long-term cardiac pacing. Experience of fixed-rate pacing with an endocardial electrode in 260 patients.;Edhag;Acta med. scand.,1969
4. Long-term transvenous cardiac pacing with ChardackGreatbatch (Medtronic) pacemaker.;Forbes;Brit. Med. J.,1968
5. Surgical aspects of long-term electrical stimulation of the heart.;Frank;Surgery,1969