Table 1.
Sources distribution of the included articles.
| Source | Number of Articles from Source | % | % of Article Type in Selected Literature |
|---|---|---|---|
| Journals | |||
| Science of the Total Environment | 18 | 5.0 | 99 |
| Environmental Research | 18 | 5.0 | |
| International Journal of Environmental Research and Public Health | 15 | 4.2 | |
| Environment Health Perspectives | 15 | 4.2 | |
| Environmental International | 13 | 3.6 | |
| Environmental Health: A Global Access Science Source | 11 | 3.1 | |
| Environmental Pollution | 10 | 2.8 | |
| American Journal of Respiratory and Critical Care Medicine | 9 | 2.5 | |
| PLoS ONE | 9 | 2.5 | |
| Others | 240 | 67.0 | |
| Total number of journals | 358 | ||
| Conference papers | |||
| Conference papers | 2 | 100.0 | 1 |