Table 6.
Top 25 Keywords with the Strongest Citation Bursts
| Keywords | Year | Strength | Begin | End | 1976–2021 Year |
|---|---|---|---|---|---|
| Bronchogenic carcinoma | 1976 | 6.12 | 1991 | 2003 |  |
| Cigarette smoking | 1976 | 7.82 | 1992 | 2007 |  |
| Coronary heart disease | 1976 | 7.37 | 1992 | 2007 |  |
| Carcinoma | 1976 | 15.15 | 1996 | 2007 |  |
| Resection | 1976 | 7.36 | 2003 | 2010 |  |
| Chronic bronchiti | 1976 | 4.63 | 2004 | 2012 |  |
| Women | 1976 | 6.8 | 2005 | 2008 |  |
| Inflammation | 1976 | 5.87 | 2008 | 2009 |  |
| Susceptibility locus | 1976 | 11.26 | 2009 | 2012 |  |
| Population | 1976 | 6.52 | 2009 | 2012 |  |
| Variant | 1976 | 7.27 | 2010 | 2012 |  |
| Genome-wide association | 1976 | 5.42 | 2010 | 2017 |  |
| Mice | 1976 | 5.56 | 2014 | 2015 |  |
| Of life care | 1976 | 5.26 | 2016 | 2018 |  |
| People | 1976 | 4.94 | 2016 | 2019 |  |
| Long-term exposure | 1976 | 4.91 | 2016 | 2021 |  |
| Global burden | 1976 | 6.96 | 2017 | 2021 |  |
| Fine particulate matter | 1976 | 6.2 | 2017 | 2021 |  |
| pm25 | 1976 | 5.58 | 2017 | 2021 |  |
| Validation | 1976 | 5.41 | 2017 | 2019 |  |
| Metaanalysis | 1976 | 5.22 | 2017 | 2018 |  |
| Air pollution | 1976 | 4.67 | 2017 | 2021 |  |
| Biomarker | 1976 | 5.05 | 2018 | 2021 |  |
| Impact | 1976 | 5.6 | 2019 | 2021 |  |
| Emphysema | 1976 | 5.04 | 2019 | 2021 |  |