title: Polychlorinated biphenyls.
mesh_terms: D000818:Animals; D002273:Carcinogens / Q000633:toxicity*; D004785:Environmental Pollutants / Q000138:chemical synthesis / Q000737:chemistry / Q000633:toxicity*; D006801:Humans; D009369:Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D011078:Polychlorinated Biphenyls / Q000138:chemical synthesis / Q000737:chemistry / Q000633:toxicity*
chemical_list: D002273:Carcinogens; D004785:Environmental Pollutants; D011078:Polychlorinated Biphenyls