@misc{indiciae8c0d5abd8450,
  title = {Sabin, Salk, or sequential?},
  author = {H F Hull and J W Lee},
  year = {1996},
  doi = {10.1016/s0140-6736(96)91194-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/8596370/},
  note = {Source identifier: 8596370}
}