title: An electron microscopic study on adenosinetriphosphatase (ATPase) activity in the heart muscle.
mesh_terms: D000251:Adenosine Triphosphatases / Q000032:analysis*; D000447:Aldehydes; D000818:Animals; D001773:Blood Cells / Q000201:enzymology; D006651:Histocytochemistry; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000201:enzymology; D009206:Myocardium / Q000201:enzymology*; D009210:Myofibrils / Q000201:enzymology; D051381:Rats; D012508:Sarcolemma
chemical_list: D000447:Aldehydes; D000251:Adenosine Triphosphatases