title: Mechanisms of contraction of the normal and failing heart.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism; D006321:Heart / Q000502:physiology*; D006331:Heart Diseases / Q000503:physiopathology*; D006801:Humans; D066298:In Vitro Techniques; D008928:Mitochondria; D009119:Muscle Contraction / Q000502:physiology*; D009124:Muscle Proteins; D009206:Myocardium / Q000201:enzymology; D009210:Myofibrils / Q000166:cytology
chemical_list: D009124:Muscle Proteins; D000251:Adenosine Triphosphatases