Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Martin Van den Berg and Linda Birnbaum and Albertus T. C. Bosveld and Bjorn Brunstrom and Philip Cook and Mark Feeley and John P. Giesy and Annika Hanberg and Ryuichi Hasegawa and Sean W. Kennedy and Timothy Kubiak and John Christian Larsen and F. X. Rolaf van Leeuwen and A. K. Djien Liem and Cynthia Nolt and Richard E. Peterson and Lorenz Poellinger and Stephen Safe and Dieter Schrenk and Donald Tillitt and Mats Tysklind and Maged Younes and Fredrik Waern and Tim Zacharewski,"Toxic Equivalency Factors (TEFs) for PCBs, PCDDs, PCDFs for Humans and Wildlife",Environmental Health Perspectives,0091-6765,JSTOR,1998-12,106,12,775,https://cir.nii.ac.jp/crid/1360574094059596928,https://doi.org/10.2307/3434121