title: The positive inotropic effect of digitoxin: independence from sodium accumulation.
mesh_terms: D000818:Animals; D004074:Digitoxin / Q000494:pharmacology*; D005260:Female; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000378:metabolism*; D009994:Osmolar Concentration; D011188:Potassium / Q000494:pharmacology; D012964:Sodium / Q000378:metabolism*; D013779:Tetrodotoxin / Q000494:pharmacology; D013997:Time Factors
chemical_list: D013779:Tetrodotoxin; D012964:Sodium; D004074:Digitoxin; D007545:Isoproterenol; D011188:Potassium