@misc{indiciaec304bac1b8f2,
  title = {Isolation and characterization of a thymic factor.},
  author = {G Robey and B J Campbell and T D Luckey},
  year = {1972},
  doi = {10.1128/iai.6.5.682-688.1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4637294/},
  note = {Source identifier: 4637294}
}