WHO activities on quality assessment studies concerning PCBs, PCDDs and PCDFs Publication Attachment: 96-381.pdf Authors: Yrjanheikki, E, Ahlborg, UG, Carle, J, Ersboell, A, Krzyzanowski, M, van Leeuwen, FXR, Nygren, M, Startin, J, Younes, M Year: 1996