@misc{indiciae098e5caabc28,
  title = {Letter: Mumps vaccine.},
  author = {A J Steigman},
  year = {1974},
  doi = {10.1016/s0140-6736(74)90803-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4139521/},
  note = {Source identifier: 4139521}
}