@misc{indiciae92c1f6c8c73c,
  title = {Environmental problems behind the Great Wall.},
  author = {A Hricko},
  year = {1994},
  doi = {10.1289/ehp.94102154},
  url = {https://pubmed.ncbi.nlm.nih.gov/8033842/},
  note = {Source identifier: 8033842}
}