@misc{indiciae849860238b81,
  title = {[Heading for systematic flu vaccination?].},
  author = {Raúl Ortiz de Lejarazu and José María Eiros},
  year = {2003},
  doi = {10.1016/s0025-7753(03)73696-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/12646111/},
  note = {Source identifier: 12646111}
}