title: Determination of polychlorinated biphenyls in carbonless copying papers by the oxygen flask combustion method.
mesh_terms: D002621:Chemistry / Q000295:instrumentation; D002713:Chlorine / Q000032:analysis*; D002849:Chromatography, Gas; D003308:Copying Processes; D008722:Methods; D010100:Oxygen; D010209:Paper; D011078:Polychlorinated Biphenyls / Q000032:analysis*
chemical_list: D002713:Chlorine; D011078:Polychlorinated Biphenyls; D010100:Oxygen