@misc{indiciaec464b311003e,
  title = {Measles immunization recommendations: update.},
  author = {M A Powell},
  doi = {10.1111/j.1745-7599.1991.tb01062.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1848770/},
  note = {Source identifier: 1848770}
}