Evidence for the site of Na-Ca antagonism in cardiac muscle of the frog, Rana pipiens.
D000818:Animals; D001001:Anura; D002118:Calcium / Q000037:antagonists & inhibitors*; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D009206:Myocardium / Q000378:metabolism; D010042:Ouabain / Q000494:pharmacology; D012964:Sodium / Q000037:antagonists & inhibitors*; D013328:Strophanthins / Q000494:pharmacology
D013328:Strophanthins; D010042:Ouabain; D012964:Sodium; D002118:Calcium