@misc{indiciae03ede1175906,
  title = {Immunisation levels.},
  author = {T S Adams},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91914-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/72983/},
  note = {Source identifier: 72983}
}