title: Effect of thyroxine on ventricular myocardial contractility and ATPase activity in guinea pigs.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000818:Animals; D004558:Electric Stimulation; D006168:Guinea Pigs; D006352:Heart Ventricles / Q000187:drug effects*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium / Q000201:enzymology*; D009210:Myofibrils / Q000201:enzymology; D010210:Papillary Muscles / Q000187:drug effects; D013015:Sotalol / Q000494:pharmacology; D013268:Stimulation, Chemical; D013974:Thyroxine / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D013015:Sotalol; D000251:Adenosine Triphosphatases; D013974:Thyroxine