Polychlorinated biphenyls to be severely restricted.
D000397:Air Pollution; D004781:Environmental Exposure; D006801:Humans; D007880:Legislation, Drug; D011078:Polychlorinated Biphenyls / Q000633:toxicity*; D014481:United States; D014876:Water Pollution
D011078:Polychlorinated Biphenyls