@misc{indiciae7124ace2d383,
  title = {Infection and mortality in captive wild-trapped canvasback ducks},
  author = {R. M. Kocan and Matthew C. Perry},
  year = {1976},
  doi = {10.7589/0090-3558-12.1.30},
  url = {https://pubs.usgs.gov/publication/1014264},
  note = {Source identifier: 1014264}
}