Wen, Y., Reid, D. W., Zhang, D., Ward, C., Wood-Baker, R., & Walters, E. H. (2010). Assessment of airway inflammation using sputum, BAL, and endobronchial biopsies in current and ex-smokers with established COPD. Dove Medical Press.

Wen, Yudong, David W. Reid, Dongcheng Zhang, Chris Ward, Richard Wood-Baker, and E Haydn Walters. Assessment of Airway Inflammation Using Sputum, BAL, and Endobronchial Biopsies in Current and Ex-smokers With Established COPD. Dove Medical Press, 2010.

Wen, Yudong, et al. Assessment of Airway Inflammation Using Sputum, BAL, and Endobronchial Biopsies in Current and Ex-smokers With Established COPD. Dove Medical Press, 2010.