@misc{indiciae71a9a59d41ea,
  title = {Asthma and open cast mining.},
  author = {A S Afacan},
  year = {1992},
  doi = {10.1136/bmj.305.6854.644-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/1393081/},
  note = {Source identifier: 1393081}
}