@misc{indiciae9354433a584c,
  title = {Embryotoxic effects of benzo[a]pyrene, chrysene and 7,12-dimethylbenz[a]-anthracene in petroleum hydrocarbon mixtures in mallard ducks},
  author = {D. J. Hoffman and M. L. Gay},
  year = {2009},
  doi = {10.1080/15287398109530019},
  url = {https://pubs.usgs.gov/publication/5221677},
  note = {Source identifier: 5221677}
}