Matches in Library of Congress for { ?s ?p Polychlorinated biphenyls.. }
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- 2005297036 subject "Polychlorinated biphenyls.".
- 2005446973 subject "Polychlorinated biphenyls.".
- 2008371228 subject "Polychlorinated biphenyls.".
- 73088621%2F%2Fr90 subject "Polychlorinated biphenyls.".
- 75313183%2F%2Fr86 subject "Polychlorinated biphenyls.".
- 82022312 subject "Polychlorinated biphenyls.".
- 83013598 subject "Polychlorinated biphenyls.".
- 87620937 subject "Polychlorinated biphenyls.".
- 88601727 subject "Polychlorinated biphenyls.".
- 89601921 subject "Polychlorinated biphenyls.".
- 92172340 subject "Polychlorinated biphenyls.".
- 93244805 subject "Polychlorinated biphenyls.".