@misc{indiciae0c49d968857f,
  title = {Dried or liquid tuberculin for screening?},
  author = {S Szumski},
  year = {1981},
  doi = {10.1016/s0140-6736(81)92536-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/6113328/},
  note = {Source identifier: 6113328}
}