@misc{indiciaef88cfc4b8443,
  title = {Tuberculin testing.},
  author = {J A Lunn},
  year = {1981},
  doi = {10.1016/s0140-6736(81)90445-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6113468/},
  note = {Source identifier: 6113468}
}