title: New approaches to a definition of threshold values for "irreversible" toxic effects?
mesh_terms: D002273:Carcinogens / Q000633:toxicity; D002471:Cell Transformation, Neoplastic; D004305:Dose-Response Relationship, Drug; D004602:Elements; D004782:Environmental Health; D008954:Models, Biological; D008967:Molecular Biology; D009153:Mutagens / Q000633:toxicity; D014116:Toxicology
chemical_list: D002273:Carcinogens; D004602:Elements; D009153:Mutagens