Influence of varied [Ca2+]0 and [Na+]0 on electrical activity of clusters of cultured cardiac cells from neonatal rats.
D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D002118:Calcium / Q000008:administration & dosage / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D006321:Heart / Q000502:physiology*; D009206:Myocardium / Q000166:cytology; D051381:Rats; D012964:Sodium / Q000008:administration & dosage / Q000494:pharmacology*
D012964:Sodium; D002118:Calcium