. . . . . . . "[Tobacco use, the major etiological factor for oral cancer is known to generate free radicals resulting in alterations in antioxidant enzymes like, glutathione-S-transferase (GST), glutathione reductase, superoxide dismutase, catalase, and glutathione peroxidase as well as lipid peroxidation and total thiol.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:11:14+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .