@misc{indiciaef1969d54e023,
  title = {Toxic equivalency factors (TEFs) for PCBs, PCDDs, PCDFs for humans and wildlife},
  author = {M. Van den Berg and L. Birnbaum and A. T. C. Bosveld and B. Brunstrom and P. Cook and M. Feeley and J. P. Giesy and A. Hanberg and R. Hasegawa and S. W. Kennedy and T. Kubiak and J. C. Larsen and F. X. R. Van Leeuwen and A. K. D. Liem and C. Nolt and R. E. Peterson and L. Poellinger and S. Safe and D. Schrenk and Donald E. Tillitt and M. Tysklind and M. Younes and F. Waern and T. Zacharewski},
  year = {1998},
  doi = {10.1289/ehp.98106775},
  url = {https://pubs.usgs.gov/publication/70020236},
  note = {Source identifier: 70020236}
}