Membrane excitability of the frog ventricle examined by long pulses.
D000200:Action Potentials; D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D066298:In Vitro Techniques; D008345:Manganese / Q000494:pharmacology; D008564:Membrane Potentials; D012964:Sodium / Q000502:physiology
D008345:Manganese; D012964:Sodium