| be an umbrella term | 0.55 |
| affect lung | 0.46 |
| use other medicines | 0.43 |
| affect millions of peop… | 0.16 |
| affect quality of life | 0.16 |
| common | 0.31 |
| increasing | 0.16 |
| progressive lung disease | 0.59 |
| a lung disease | 0.56 |
| disease | 0.51 |
| preventable and treatab… | 0.39 |
| inflammatory disease | 0.34 |
| complex disease | 0.24 |
| caused by smoking tobac… | 0.55 |
| caused by exposure | 0.54 |
| used to describe chroni… | 0.52 |
| used to describe emphys… | 0.48 |
| characterized by airflo… | 0.48 |
| used to describe refrac… | 0.29 |
| used to describe non-re… | 0.29 |
| used to describe progre… | 0.29 |
| characterized by chroni… | 0.28 |
| likely to get septic bu… | 0.24 |
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