@misc{indiciae6fd3214ae297,
  title = {[Effectiveness of influenza vaccination in healthy adults--a fourfold decrease in influenza morbidity during one influenza season].},
  author = {R Chlíbek and J Beran and M Splino},
  year = {2002},
  url = {https://pubmed.ncbi.nlm.nih.gov/11987579/},
  note = {Source identifier: 11987579}
}