Effects of vagal and sympathetic nerve impulses on the membrane potential of the frog's heart.
D000200:Action Potentials; D001341:Autonomic Nervous System / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D006801:Humans; D008564:Membrane Potentials; D013564:Sympathetic Nervous System
AUTONOMIC NERVOUS SYSTEM/physiology; HEART/physiology