@misc{indiciae66a526e7818b,
  title = {Embryotoxic thresholds of mercury: Estimates from individual mallard eggs},
  author = {G. H. Heinz and D. J. Hoffman},
  year = {2003},
  doi = {10.1007/s00244-002-2021-6},
  url = {https://pubs.usgs.gov/publication/5224221},
  note = {Source identifier: 5224221}
}