Columbia subject headings:
Harvard subject headings:
Polychlorinated biphenyls--Environmental aspects.
Polychlorinated biphenyls--Toxicology.
Polychlorinated terphenyls--Environmental aspects.
Polychlorinated terphenyls--Toxicology.
Princeton subject headings:
Polychlorinated biphenyls--Environmental aspects.
Polychlorinated biphenyls--Physiological effect.
Polychlorinated biphenyls--Toxicology.
Polychlorinated terphenyls--Environmental aspects.
Polychlorinated terphenyls--Physiological effect.
Polychlorinated terphenyls--Toxicology.