@misc{indiciaec729af7bf1d9,
  title = {Tuberculosis control programme in Beijing.},
  author = {L X Zhang and G Q Kan},
  year = {1992},
  doi = {10.1016/0962-8479(92)90150-i},
  url = {https://pubmed.ncbi.nlm.nih.gov/1421349/},
  note = {Source identifier: 1421349}
}