@misc{indiciaedfbfb24def8a,
  title = {Environmental factors.},
  author = {M R Becklake and P Ernst},
  year = {1997},
  doi = {10.1016/s0140-6736(97)90030-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/9343098/},
  note = {Source identifier: 9343098}
}