@misc{indiciae983f0efe1a55,
  title = {Pertussis vaccine: reasonable doubt?},
  author = {G F Grady and L H Wetterlow},
  year = {1978},
  doi = {10.1056/nejm197804272981711},
  url = {https://pubmed.ncbi.nlm.nih.gov/642979/},
  note = {Source identifier: 642979}
}