title: [Free radicals and C13-C12 ratio in plant tumors].
mesh_terms: D002247:Carbon Isotopes / Q000032:analysis*; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D013058:Mass Spectrometry; D008722:Methods; D010941:Plant Tumors / Q000378:metabolism*; D010947:Plants, Toxic; D014026:Nicotiana
chemical_list: D002247:Carbon Isotopes; D005609:Free Radicals
vernacular_title: Radicaux libres et rapport isotopique C13-C12 dans des tumeurs végétales.