title: Effects of adrenaline, ouabain, and some ionic conditions on twitch contraction of bullfrog ventricle.
mesh_terms: D000818:Animals; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism; D010042:Ouabain / Q000494:pharmacology*; D011188:Potassium / Q000378:metabolism / Q000494:pharmacology*; D011892:Rana catesbeiana; D012964:Sodium / Q000378:metabolism / Q000494:pharmacology*; D014159:Transducers; D016276:Ventricular Function
chemical_list: D010042:Ouabain; D012964:Sodium; D011188:Potassium; D004837:Epinephrine