@misc{indiciae92330315ae06,
  title = {Lymphocyte cooperation.},
  author = {P J Lachmann},
  year = {1971},
  doi = {10.1098/rspb.1971.0005},
  url = {https://pubmed.ncbi.nlm.nih.gov/4395782/},
  note = {Source identifier: 4395782}
}