@misc{indiciaea2decbc1a05d,
  title = {Occlusion of the syrinx as a manifestation of aspergillosis in Canada geese},
  author = {R. K. Stroud and R. M. Duncan},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/1003859},
  note = {Source identifier: 1003859}
}