@misc{indiciae61b3af064187,
  title = {MS-222 as an anesthetic for channel catfish: its toxicity, efficacy, and muscle residues},
  author = {Richard A. Schoettger and Charles R. Walker and Leif L. Marking and Arnold M. Julin},
  year = {1967},
  url = {https://pubs.usgs.gov/publication/rp33},
  note = {Source identifier: rp33}
}