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2. Three year clinical experience with a new endocardial screw-in lead with introduction protection for use in the atrium and ventricle;Bisping, H.J.; Kreuzer, J.; Birkenheier, H.;Pace,1980
3. Modern atrial and ventricular leads for permanent cardiac pacing;Perrins, E.J.; Sutton, R.; Kalebic, B.; Richards, L.; Morley, C.; Terpstra, B.,1981
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5. A revised code for pacemaker identification. Report of pacemaker study group;Parsonnet, V.; Furman, S.; Smyth, N.P.D.;Circulation,1981