@misc{indiciae7c9d3bea6b12,
  title = {Statement on pertussis vaccine.},
  author = {Pan American Health Organization PAHO. Expanded Program on Immunization EPI},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/12314357/},
  note = {Source identifier: 12314357}
}