title: Hazard to man as a component of an ecosystem.
mesh_terms: D001713:Biphenyl Compounds / Q000633:toxicity*; D004147:Dioxins / Q000633:toxicity*; D004463:Ecology; D004777:Environment; D006801:Humans; D011075:Polybrominated Biphenyls / Q000633:toxicity*; D011078:Polychlorinated Biphenyls / Q000633:toxicity*; D000072317:Polychlorinated Dibenzodioxins / Q000633:toxicity*
chemical_list: D001713:Biphenyl Compounds; D004147:Dioxins; D011075:Polybrominated Biphenyls; D000072317:Polychlorinated Dibenzodioxins; D011078:Polychlorinated Biphenyls