@misc{indiciae8c7e013117b3,
  title = {Formalin for external protozoan parasites: A report on the prevention and control of Costia necatrix},
  author = {Frederick S. Fisher},
  year = {1940},
  doi = {10.1577/1548-8640(1940)7[1:ffepp]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70160515},
  note = {Source identifier: 70160515}
}