@misc{indiciae74f3e11990e1,
  title = {Measles vaccination.},
  author = {N A Halsey and W Schubert and P Nieburg and S R Prelud and A R Hinman},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/440830/},
  note = {Source identifier: 440830}
}