@misc{indiciaeb3cd2bcdb74c,
  title = {Outdoor pollution and headache.},
  author = {G Nattero and A Enrico},
  year = {1996},
  doi = {10.1046/j.1526-4610.1996.3604243.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8675430/},
  note = {Source identifier: 8675430}
}