Comparison of voltage-tension relationship between peak and terminal tonic tensions induced by longer depolarization in the bullfrog myocardium.
D000818:Animals; D002118:Calcium / Q000494:pharmacology; D004558:Electric Stimulation; D066298:In Vitro Techniques; D008564:Membrane Potentials; D009200:Myocardial Contraction / Q000187:drug effects; D010042:Ouabain / Q000494:pharmacology; D011892:Rana catesbeiana; D012964:Sodium / Q000494:pharmacology; D013696:Temperature; D014700:Verapamil / Q000494:pharmacology
D010042:Ouabain; D012964:Sodium; D014700:Verapamil; D002118:Calcium