title: A factor in heart muscle required for the reduction of cytochrome c by cytochrome b.
mesh_terms: D035843:Biomedical Research; D003580:Cytochromes; D045303:Cytochromes b; D045304:Cytochromes c; D009206:Myocardium
chemical_list: D003580:Cytochromes; D045304:Cytochromes c; D045303:Cytochromes b
keywords: CYTOCHROME; HEART/muscle; RESEARCH/medical