title: The zero-tolerance concept.
mesh_terms: D000818:Animals; D002273:Carcinogens; D004361:Drug Tolerance; D004787:Environmental Pollution; D006801:Humans; D007880:Legislation, Drug; D009369:Neoplasms / Q000517:prevention & control*; D014481:United States
chemical_list: D002273:Carcinogens