Impact factors for respiratory journals: 2003
| American Journal of Respiratory and Critical Care Medicine | 8.876 |
| Thorax | 4.188 |
| American Journal of Respiratory Cell and Molecular Biology | 4.015 |
| American Journal of Physiology:Lung Cellular and Molecular Pathology | 3.735 |
| Journal of Thoracic and Cardiovascular Surgery | 3.319 |
| Chest | 3.264 |
| European Respiratory Journal | 2.999 |
| Journal of Heart and Lung Transplantation | 2.843 |
| Respiratory Medicine | 1.419 |









