@misc{indiciaea68c62f7522d,
  title = {[Delayed hypersensitivity in vitro: possibilities for using the system in humans].},
  author = {H D Flad and G Hochapfel and K Federlin},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5401615/},
  note = {Source identifier: 5401615}
}