title: Determination of polychlorinated dibenzo-p-dioxins in biological samples by negative chemical ionization mass spectrometry.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D000818:Animals; D002417:Cattle; D004147:Dioxins / Q000032:analysis*; D008099:Liver / Q000032:analysis; D013058:Mass Spectrometry / Q000379:methods; D000072317:Polychlorinated Dibenzodioxins / Q000032:analysis*
chemical_list: D004147:Dioxins; D000072317:Polychlorinated Dibenzodioxins