title: Diminished inotropic responsiveness to ouabain in aged rat myocardium.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism; D000375:Aging; D000818:Animals; D002118:Calcium / Q000378:metabolism; D004305:Dose-Response Relationship, Drug; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D010042:Ouabain / Q000494:pharmacology*; D051381:Rats
chemical_list: D010042:Ouabain; D000251:Adenosine Triphosphatases; D002118:Calcium