@misc{indiciaeafff0aa36a30,
  title = {Immunotherapy: past and present.},
  author = {P S Norman},
  year = {1998},
  doi = {10.1016/s0091-6749(98)70046-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9679840/},
  note = {Source identifier: 9679840}
}