title: Role of free radicals in gastrointestinal cancer.
abstract: Incomplete reduction of oxygen in vivo generates oxygen-derived free radicals, which are highly reactive species capable of extensive cellular injury. The experimental and clinical evidence for a role of free radicals in the process of development and spread of gastrointestinal cancer is examined in the present review article.
authors.forename: A S
authors.initials: AS
authors.lastname: Salim
mesh_terms: D000818:Animals; D005609:Free Radicals / Q000009:adverse effects; D005767:Gastrointestinal Diseases / Q000209:etiology / Q000503:physiopathology; D006801:Humans
chemical_list: D005609:Free Radicals