@misc{indiciae24a881e5716d,
  title = {Effects of crude oil ingestion on avian intestinal function},
  author = {W. C. Eastin and Helen C. Murray},
  year = {1981},
  doi = {10.1139/y81-162},
  url = {https://pubs.usgs.gov/publication/5222568},
  note = {Source identifier: 5222568}
}