title: Electron paramagnetic resonance study of single crystals of horse heart ferricytochrome c at 4.2 degrees K.
mesh_terms: D000818:Animals; D003080:Cold Temperature; D003461:Crystallography; D003574:Cytochrome c Group; D004578:Electron Spin Resonance Spectroscopy; D006736:Horses; D007501:Iron; D008433:Mathematics; D009206:Myocardium
chemical_list: D003574:Cytochrome c Group; D007501:Iron