title: Multidimensional gas chromatography with electron capture detection for the determination of toxic congeners in polychlorinated biphenyl mixtures.
mesh_terms: D002849:Chromatography, Gas; D004563:Electrochemistry; D011078:Polychlorinated Biphenyls / Q000032:analysis* / Q000633:toxicity
chemical_list: D011078:Polychlorinated Biphenyls