@misc{indiciaef9976fe0efaa,
  title = {Environmental contaminants in male river otters from Oregon and Washington, USA, 1994-1999},
  author = {R. A. Grove and Charles J. Henny},
  year = {2007},
  doi = {10.1007/s10661-007-0015-6},
  url = {https://pubs.usgs.gov/publication/70000559},
  note = {Source identifier: 70000559}
}