@misc{indiciaea420c6e0a780,
  title = {Infectious bronchitis vaccines--a comment.},
  author = {B Graham},
  year = {1988},
  doi = {10.1080/00480169.1988.35511},
  url = {https://pubmed.ncbi.nlm.nih.gov/16031473/},
  note = {Source identifier: 16031473}
}