@misc{indiciae4787956f57c7,
  title = {Preoperative immunotherapy: a new concept.},
  author = {R F Ryan and M S Litwin and E T Krementz},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/903686/},
  note = {Source identifier: 903686}
}