@misc{indiciaefd9313230950,
  title = {Immunization against influenza.},
  author = {W D Refshauge},
  year = {1971},
  doi = {10.5694/j.1326-5377.1971.tb87980.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5577268/},
  note = {Source identifier: 5577268}
}