Coplanar polychlorinated biphenyls (PCBs) in a national sample of beef in the United States: preliminary results Publication Attachment: 96-372.pdf Authors: Winters, D, Cleverly, D, Lorber, M, Meier, K, Dupuy, A, Byrne, C, Deyrup, C, Ellis, R, Ferrario, J, Leese, W, Schaum, J, Walcott, J Year: 1996