Several aspects on the spontaneous activity of the sinus node and its spread.
D000818:Animals; D004558:Electric Stimulation; D004572:Electrolysis; D006327:Heart Block; D006329:Heart Conduction System / Q000502:physiology*; D066298:In Vitro Techniques; D011817:Rabbits; D012849:Sinoatrial Node / Q000502:physiology