| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | Hindawi Limited | https://doi.org/10.1100/tsw.2010.17 | |
| Air Pollution | free resource | MedlinePlus Health Information | https://medlineplus.gov/airpollution.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20098955/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/20098955 |