@misc{indiciaecffedadaa28b,
  title = {Tuberculin testing.},
  author = {J M Platts},
  year = {1979},
  doi = {10.1136/bmj.1.6166.823-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/435826/},
  note = {Source identifier: 435826}
}