title: Dioxin source is 'safe'.
mesh_terms: D015085:2,4,5-Trichlorophenoxyacetic Acid / Q000592:standards*; D004147:Dioxins / Q000633:toxicity*; D004340:Drug Contamination; D000072317:Polychlorinated Dibenzodioxins / Q000633:toxicity*
chemical_list: D004147:Dioxins; D000072317:Polychlorinated Dibenzodioxins; D015085:2,4,5-Trichlorophenoxyacetic Acid