@misc{indiciae5599ed372570,
  title = {Viruses isolated from sheep.},
  author = {J B McFerran and R Nelson and J M McCracken and J G Ross},
  year = {1969},
  doi = {10.1038/221194a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4302399/},
  note = {Source identifier: 4302399}
}