@misc{indiciae6f6e5aa30abb,
  title = {Direct complement fixation test with avian infectious bronchitis virus in chicken.},
  author = {P K Uppal},
  year = {1970},
  doi = {10.1017/s0022172400028680},
  url = {https://pubmed.ncbi.nlm.nih.gov/5270203/},
  note = {Source identifier: 5270203}
}