| Similarity | Rank | |
|---|---|---|
| non-smokers | 0.940 | 51692 |
| smokers | 0.862 | 11272 |
| smoking | 0.741 | 3029 |
| emphysema | 0.726 | 48160 |
| asthmatics | 0.718 | 83805 |
| COPD | 0.715 | 29043 |
| carcinogens | 0.713 | 37206 |
| colorectal | 0.709 | 29080 |
| cancers | 0.708 | 9333 |
| obese | 0.708 | 10811 |
| smoker's | 0.707 | 89537 |
| non-smoker | 0.703 | 61529 |
| lung | 0.701 | 7400 |
| bisphosphonates | 0.694 | 81690 |
| smoke-free | 0.693 | 45098 |
| statin | 0.690 | 36182 |
| non-smoking | 0.687 | 45371 |
| Smokers | 0.683 | 48485 |
| statins | 0.682 | 32067 |
| postmenopausal | 0.678 | 43309 |
| exacerbations | 0.677 | 84019 |
| cancer-causing | 0.676 | 62528 |
| obstructive | 0.674 | 32172 |
| ventolin | 0.673 | 36820 |
| patients | 0.673 | 783 |