title: Membrane currents related to configuration changes in the action potential of frog atrial muscle in Na- and Ca-free conditions.
mesh_terms: D000200:Action Potentials; D000818:Animals; D016275:Atrial Function; D002118:Calcium / Q000502:physiology*; D002712:Chlorides / Q000494:pharmacology; D005260:Female; D066298:In Vitro Techniques; D007700:Kinetics; D008094:Lithium / Q000494:pharmacology; D018021:Lithium Chloride; D008297:Male; D008564:Membrane Potentials; D009132:Muscles / Q000502:physiology*; D011892:Rana catesbeiana; D012964:Sodium / Q000502:physiology*
chemical_list: D002712:Chlorides; D008094:Lithium; D012964:Sodium; D018021:Lithium Chloride; D002118:Calcium