title: Sample preparation and gas chromatography--mass spectrometry determination of 2,3,7,8-tetrachlorodibenzo-p-dioxin.
mesh_terms: D000818:Animals; D002417:Cattle; D004147:Dioxins / Q000032:analysis*; D005399:Fishes; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D000072317:Polychlorinated Dibenzodioxins / Q000032:analysis*
chemical_list: D004147:Dioxins; D000072317:Polychlorinated Dibenzodioxins