@misc{indiciae1af696a0f801,
  title = {Immunization practices today.},
  author = {J J Witte},
  year = {1971},
  doi = {10.1097/00043764-197112000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/4110156/},
  note = {Source identifier: 4110156}
}