@misc{indiciae8dcf29b396f5,
  title = {Observations on a swine herd health program.},
  author = {J G O'Donoghue and E E Ballantyne},
  year = {1965},
  url = {https://pubmed.ncbi.nlm.nih.gov/4221913/},
  note = {Source identifier: 4221913}
}