[On Isolated guinea pig nerve-heart preparation. Effect of certain drugs on the effects of vagal or sympathetic stimulation].
D006168:Guinea Pigs; D006321:Heart / Q000502:physiology*; D006801:Humans; D013564:Sympathetic Nervous System / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*
HEART/physiology; SYMPATHETIC NERVOUS SYSTEM/physiology; VAGUS NERVE/physiology