An Automated Sample Cleanup Apparatus Used in the Procedure for Polychlorinated Dibenzo-p-dioxins (PCDDs). Dibenzofurans (PCDFs), ortho-Substituted (Non-Planar) and ortho-Unsubstituted (Planar) Biphenyls (PCBs) in Serum and Adipose Tissue Publication Attachment: 90-164.pdf Authors: Isaacs, SG, Turner, WE, Patterson Jr, DG Year: 1990