@misc{indiciaebcf20c7cfcd9,
  title = {T.B. testing more than once.},
  author = {J Norton},
  year = {1993},
  doi = {10.1097/00152193-199308000-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/8395673/},
  note = {Source identifier: 8395673}
}