@misc{indiciaeb2ca84fd4875,
  title = {Blood changes in mallards exposed to white phosphorus},
  author = {Donald W. Sparling and S. Vann and Robert A. Grove},
  year = {1998},
  doi = {10.1002/etc.5620171221},
  url = {https://pubs.usgs.gov/publication/5223768},
  note = {Source identifier: 5223768}
}