@misc{indiciaef9b8db584916,
  title = {Skin changes in the tuberculin test.},
  author = {J S Beck},
  year = {1991},
  doi = {10.1016/0041-3879(91)90033-o},
  url = {https://pubmed.ncbi.nlm.nih.gov/1949221/},
  note = {Source identifier: 1949221}
}