title: Shortening and ATPase activities of single cardiac fibrils of normal sarcomere length.
mesh_terms: D000251:Adenosine Triphosphatases / Q000502:physiology*; D000255:Adenosine Triphosphate / Q000378:metabolism / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D004492:Edetic Acid / Q000494:pharmacology; D005260:Female; D006018:Glycols / Q000494:pharmacology; D006321:Heart / Q000502:physiology*; D007093:Imidazoles / Q000494:pharmacology; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D009119:Muscle Contraction; D009124:Muscle Proteins / Q000502:physiology; D009206:Myocardium / Q000201:enzymology*; D009210:Myofibrils / Q000187:drug effects / Q000201:enzymology / Q000502:physiology*; D051381:Rats
chemical_list: D006018:Glycols; D007093:Imidazoles; D009124:Muscle Proteins; D000255:Adenosine Triphosphate; D004492:Edetic Acid; D000251:Adenosine Triphosphatases; D008274:Magnesium; D002118:Calcium