title: [Contamination by polychlorodiphenyls of food samples and of superficial waters in Italy. Preliminary results carried out by gas-chromatography-mass spectrometry].
mesh_terms: D002849:Chromatography, Gas; D005506:Food Contamination / Q000032:analysis*; D013058:Mass Spectrometry; D011078:Polychlorinated Biphenyls / Q000032:analysis*; D014877:Water Pollution, Chemical
chemical_list: D011078:Polychlorinated Biphenyls
vernacular_title: Sulla contaminazione da policlorodifenili di campioni di alimenti e di acque superficiali in Italia. Indiagini preliminari effettuate per gascromatografia-spettrometria di massa.