Chen, X., May, B., Di, Y. M., Zhang, A. L., Lu, C., Xue, C. C., & Lin, L. (2014). Oral Chinese Herbal Medicine Combined with Pharmacotherapy for Stable COPD: A Systematic Review of Effect on BODE Index and Six Minute Walk Test. Public Library of Science.

Chen, Xiankun, Brian May, Yuan Ming Di, Anthony Lin Zhang, Chuanjian Lu, Charlie Changli Xue, and Lin Lin. Oral Chinese Herbal Medicine Combined With Pharmacotherapy for Stable COPD: A Systematic Review of Effect On BODE Index and Six Minute Walk Test. Public Library of Science, 2014.

Chen, Xiankun, et al. Oral Chinese Herbal Medicine Combined With Pharmacotherapy for Stable COPD: A Systematic Review of Effect On BODE Index and Six Minute Walk Test. Public Library of Science, 2014.