@misc{indiciae6a8aae591539,
  title = {Mass immunization technique.},
  author = {G Thomas},
  year = {1971},
  doi = {10.1136/bmj.3.5771.431},
  url = {https://pubmed.ncbi.nlm.nih.gov/5566625/},
  note = {Source identifier: 5566625}
}