@misc{indiciaea45e0f6c1e88,
  title = {A lymphocyte-stimulating factor produced in vitro.},
  author = {J Gordon and L D MacLean},
  year = {1965},
  doi = {10.1038/208795a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4223737/},
  note = {Source identifier: 4223737}
}