@misc{indiciae09191f0c0855,
  title = {Newcastle disease.},
  author = {R F Gordon},
  year = {1971},
  doi = {10.1136/vr.88.10.261},
  url = {https://pubmed.ncbi.nlm.nih.gov/5102176/},
  note = {Source identifier: 5102176}
}