title: Electronic structure of iron in porphyrin complexes.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004578:Electron Spin Resonance Spectroscopy; D004735:Energy Transfer; D006418:Heme / Q000032:analysis; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D007501:Iron / Q000032:analysis*; D009211:Myoglobin / Q000032:analysis; D010100:Oxygen; D011166:Porphyrins / Q000032:analysis*; D004856:Postural Balance; D013057:Spectrum Analysis; D013696:Temperature
chemical_list: D006454:Hemoglobins; D009211:Myoglobin; D011166:Porphyrins; D006418:Heme; D007501:Iron; D010100:Oxygen