@misc{indiciae3013c7cb8909,
  title = {Studies on the antigenic differences between influenza type A2 virus strains.},
  author = {M Tokuda and P Bolli and J Imai},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5447689/},
  note = {Source identifier: 5447689}
}