title: Superoxide formation by protoporphyrin as seen by spin trapping.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D008968:Molecular Conformation; D010100:Oxygen; D011166:Porphyrins; D011524:Protoporphyrins; D013481:Superoxides
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; D013481:Superoxides; D010100:Oxygen