@misc{indiciae4429255e05df,
  title = {Effects of dietary nickel on survival and growth of mallard ducklings},
  author = {B. W. Cain and E. A. Pafford},
  year = {1981},
  doi = {10.1007/bf01054857},
  url = {https://pubs.usgs.gov/publication/5221720},
  note = {Source identifier: 5221720}
}