@misc{indiciaea72c7e2833a2,
  title = {Immunity--why are there two types?},
  author = {G A Caron},
  year = {1969},
  doi = {10.1001/archderm.99.6.768},
  url = {https://pubmed.ncbi.nlm.nih.gov/5783091/},
  note = {Source identifier: 5783091}
}