title: Development of the positive inotropic action of ouabain: effects of transmembrane sodium movement.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism / Q000502:physiology; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D008566:Membranes / Q000378:metabolism; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000378:metabolism* / Q000648:ultrastructure; D010042:Ouabain / Q000494:pharmacology*; D012964:Sodium / Q000378:metabolism / Q000502:physiology*; D013268:Stimulation, Chemical
chemical_list: D010042:Ouabain; D012964:Sodium; D002118:Calcium