title: Effects of cycle-length alteration on canine cardiac action potentials.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004285:Dogs; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology*; D006339:Heart Rate; D011690:Purkinje Fibers / Q000502:physiology*