title: Divergent influences of Ca2+ on the action of several cardiotonic steroids in isolated heart muscle preparations.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D002297:Cardanolides / Q000494:pharmacology; D004074:Digitoxin / Q000494:pharmacology; D004077:Digoxin / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D004357:Drug Synergism; D004558:Electric Stimulation; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006352:Heart Ventricles / Q000187:drug effects; D066298:In Vitro Techniques; D010042:Ouabain / Q000494:pharmacology; D010210:Papillary Muscles / Q000187:drug effects; D013256:Steroids / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D002297:Cardanolides; D013256:Steroids; D010042:Ouabain; D004077:Digoxin; D004074:Digitoxin; D002118:Calcium