title: Quantitation of polychlorinated biphenyl residues by electron capture gas-liquid chromatography: collaborative study.
mesh_terms: D000273:Adipose Tissue / Q000032:analysis; D000818:Animals; D002417:Cattle; D002645:Chickens; D002849:Chromatography, Gas; D002853:Chromatography, Liquid; D005223:Fats / Q000032:analysis; D008892:Milk / Q000032:analysis; D011078:Polychlorinated Biphenyls / Q000032:analysis*
chemical_list: D005223:Fats; D011078:Polychlorinated Biphenyls