Characterization of refractoriness in the sinus node of the rabbit.
D000200:Action Potentials; D000818:Animals; D002304:Cardiac Pacing, Artificial; D004558:Electric Stimulation; D004594:Electrophysiology; D005260:Female; D006329:Heart Conduction System / Q000502:physiology; D008297:Male; D009431:Neural Conduction; D011817:Rabbits; D012032:Refractory Period, Electrophysiological; D012849:Sinoatrial Node / Q000502:physiology*