title: [A study of cardiac pacing. An effect of indifferent electrodes of cardiac pacemaker for the stimulation current threshold and intracardiac R wave (author's transl)].
mesh_terms: D000818:Animals; D002304:Cardiac Pacing, Artificial; D004285:Dogs; D004566:Electrodes; D006321:Heart / Q000502:physiology*; D010138:Pacemaker, Artificial