Journal impact factors 20001-150
| American Journal of Respiratory and Critical Care Medicine | 5.44 |
| American Journal of Respiratory Cell and Molecular Biology | 4.35 |
| Thorax | 3.98 |
| American Journal of Physiology—Lung Cellular and Molecular Physiology | 3.30 |
| Journal of Thoracic and Cardiovascular Surgery | 3.06 |
| Clinical and Experimental Allergy | 2.95 |
| European Respiratory Journal | 2.59 |
| Journal of Heart and Lung Transplantation | 2.53 |
| Chest | 2.45 |
↵1-150 Source: Institute for Scientific Information Journal Citation Reports, 2000. http://jcrweb.com