@misc{indiciaecdd41cc2dcb4,
  title = {Pneumoconioses: the situation in developing countries.},
  author = {M P van Sprundel},
  year = {1990},
  doi = {10.3109/01902149009064695},
  url = {https://pubmed.ncbi.nlm.nih.gov/2407529/},
  note = {Source identifier: 2407529}
}