@misc{indiciae96c75b4d369c,
  title = {Avoidance of selenium-treated food by mallards},
  author = {G. H. Heinz and C. J. Sanderson},
  year = {1990},
  doi = {10.1002/etc.5620090906},
  url = {https://pubs.usgs.gov/publication/5222416},
  note = {Source identifier: 5222416}
}