@misc{indiciaef6691b0a09a5,
  title = {Duck deaths from accidental ingestion of anthelmintic},
  author = {J. Larry Ludke and L. N. Locke},
  year = {1976},
  doi = {10.2307/1589397},
  url = {https://pubs.usgs.gov/publication/5221363},
  note = {Source identifier: 5221363}
}