@misc{indiciae7132895a994d,
  title = {Immunization against measles.},
  author = {M L Freedman},
  year = {1968},
  doi = {10.5694/j.1326-5377.1968.tb82743.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4877637/},
  note = {Source identifier: 4877637}
}