@misc{indiciae137e4f3acc36,
  title = {A microneutralization test for canine distemper virus.},
  author = {M Appel and D S Robson},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4201293/},
  note = {Source identifier: 4201293}
}