@misc{indiciae5f7dd165993a,
  title = {Minimal active tuberculosis: an increasingly difficult diagnosis.},
  author = {J A GRAY and G E SPENCER},
  year = {1959},
  doi = {10.1378/chest.35.3.266},
  url = {https://pubmed.ncbi.nlm.nih.gov/13630206/},
  note = {Source identifier: 13630206}
}