title: Electron spin resonance of gamma- and x-irradiated nucleic acid base pairs. 1-Methylcytosine: 5-fluorouracil co-crystals at 77 degrees K.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003596:Cytosine / Q000031:analogs & derivatives / Q000528:radiation effects*; D004578:Electron Spin Resonance Spectroscopy; D005472:Fluorouracil / Q000528:radiation effects*; D005609:Free Radicals; D005615:Freezing; D005720:Gamma Rays; D014965:X-Rays
chemical_list: D005609:Free Radicals; D003596:Cytosine; D005472:Fluorouracil