title: Stable tissue free radicals.
mesh_terms: D000818:Animals; D004578:Electron Spin Resonance Spectroscopy / Q000379:methods; D004912:Erythrocytes / Q000032:analysis; D005609:Free Radicals; D005612:Freeze Drying; D006801:Humans; D007945:Leukemia, Lymphoid / Q000097:blood; D008928:Mitochondria / Q000032:analysis*; D009369:Neoplasms / Q000032:analysis*
chemical_list: D005609:Free Radicals