@misc{indiciae05d996b50559,
  title = {Lessons from Finland's successful immunization program.},
  author = {M B Heisler and J B Richmond},
  year = {1994},
  doi = {10.1056/nejm199411243312109},
  url = {https://pubmed.ncbi.nlm.nih.gov/7969284/},
  note = {Source identifier: 7969284}
}