[Transient potentiation and the staircase phenomenon in the toad's heart].
D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D006321:Heart / Q000502:physiology*; D009119:Muscle Contraction; D011199:Potentiometry
Potenciación transitoria y fen0meno de la escalera en el miocardio de sapo.