[Proceedings: Cardiotonic effect of various drugs and ions and characteristics of their actions].
D000818:Animals; D004285:Dogs; D004837:Epinephrine / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D010042:Ouabain / Q000494:pharmacology*; D011188:Potassium / Q000494:pharmacology; D011892:Rana catesbeiana; D012964:Sodium / Q000494:pharmacology
D010042:Ouabain; D012964:Sodium; D011188:Potassium; D004837:Epinephrine