title: Potassium balance and potentiation phenomena in the rat heart.
mesh_terms: D000818:Animals; D003326:Coronary Circulation; D004558:Electric Stimulation; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D066298:In Vitro Techniques; D008297:Male; D009206:Myocardium / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism*; D051381:Rats
chemical_list: D011188:Potassium