title: Paramagnetic species in cataractous human lenses.
mesh_terms: D002386:Cataract; D003459:Crystallins; D004578:Electron Spin Resonance Spectroscopy; D006801:Humans; D007908:Lens, Crystalline / Q000032:analysis*; D014364:Tryptophan
chemical_list: D003459:Crystallins; D014364:Tryptophan