title: Presumptive tests.
mesh_terms: D001419:Bacteria; D001681:Biological Assay; D002273:Carcinogens; D002471:Cell Transformation, Neoplastic; D046508:Culture Techniques; D004247:DNA / Q000494:pharmacology; D009153:Mutagens
chemical_list: D002273:Carcinogens; D009153:Mutagens; D004247:DNA