@misc{indiciaee0447ef9648d,
  title = {Improving immunization strategies in developed countries.},
  author = {U B Schaad},
  year = {1999},
  doi = {10.1016/s0264-410x(99)00237-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/10506411/},
  note = {Source identifier: 10506411}
}