title: Mössbauer studies of bonding in iron porphyrin-ligand systems.
mesh_terms: D002614:Chelating Agents; D055598:Chemical Phenomena; D002621:Chemistry; D004578:Electron Spin Resonance Spectroscopy; D006418:Heme; D007501:Iron; D011166:Porphyrins; D013696:Temperature
chemical_list: D002614:Chelating Agents; D011166:Porphyrins; D006418:Heme; D007501:Iron