TY  - RPRT
TI  - Outdoor pollution and headache.
AU  - G Nattero
AU  - A Enrico
PY  - 1996
DO  - 10.1046/j.1526-4610.1996.3604243.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8675430/
ID  - 8675430
ER  -