The cardiac pacemaker: effects of regularly spaced nervous input.
D000818:Animals; D002415:Cats; D006321:Heart / Q000187:drug effects / Q000294:innervation; D006329:Heart Conduction System / Q000294:innervation* / Q000502:physiology; D051381:Rats; D012110:Reserpine / Q000494:pharmacology; D013564:Sympathetic Nervous System / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*
D012110:Reserpine