@misc{indiciae01d08822ca2f,
  title = {Immunization and the community.},
  year = {1971},
  doi = {10.5694/j.1326-5377.1971.tb87718.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5550279/},
  note = {Source identifier: 5550279}
}