@misc{indiciaeb53fc48d0560,
  title = {Toward a layered immune system.},
  author = {L A Herzenberg},
  year = {1989},
  doi = {10.1016/0092-8674(89)90748-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2688900/},
  note = {Source identifier: 2688900}
}