@misc{indiciae181841dff16f, title = {A solitary case of duck plague in a wild mallard}, author = {G. Wobeser and D. E. Docherty}, year = {1987}, doi = {10.7589/0090-3558-23.3.479}, url = {https://pubs.usgs.gov/publication/1003819}, note = {Source identifier: 1003819} }