Influence of intracellular sodium concentration on calcium influx in isolated guinea pig auricles.
D000818:Animals; D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes; D006168:Guinea Pigs; D006325:Heart Atria; D066298:In Vitro Techniques; D007552:Isotonic Solutions; D009206:Myocardium / Q000378:metabolism*; D012964:Sodium / Q000502:physiology*
D002127:Calcium Isotopes; D007552:Isotonic Solutions; D012964:Sodium; D002118:Calcium