@misc{indiciaec116ebc93f91,
  title = {Two new diving duck hosts for Plasmodium circumflexum},
  author = {R. M. Kocan and J.O. Knisley},
  year = {1973},
  doi = {10.2307/3278580},
  url = {https://pubs.usgs.gov/publication/5224129},
  note = {Source identifier: 5224129}
}