@misc{indiciaee8100d7ffa97,
  title = {Tuberculin conversions: true or false?},
  author = {Raj Narain},
  year = {1979},
  doi = {10.1164/arrd.1979.119.6.1039},
  url = {https://pubmed.ncbi.nlm.nih.gov/453707/},
  note = {Source identifier: 453707}
}