title: Enzymic activity of a cytochrome A preparation free of cytochrome a3 from cardiac muscle.
mesh_terms: D000818:Animals; D002417:Cattle; D003580:Cytochromes / Q000378:metabolism*; D003576:Electron Transport Complex IV / Q000378:metabolism; D066298:In Vitro Techniques; D009206:Myocardium / Q000201:enzymology; D011048:Polarography; D013053:Spectrophotometry; D013386:Succinates / Q000378:metabolism*
chemical_list: D003580:Cytochromes; D013386:Succinates; D003576:Electron Transport Complex IV