Chung, K. S., Jung, J. Y., Park, M. S., Kim, Y. S., Kim, S. K., Chang, J., & Song, J. H. (2016). Cut-off value of FEV(1)/FEV(6) as a surrogate for FEV(1)/FVC for detecting airway obstruction in a Korean population. Int J Chron Obstruct Pulmon Dis.

Chung, Kyung Soo, Ji Ye Jung, Moo Suk Park, Young Sam Kim, Se Kyu Kim, Joon Chang, and Joo Han Song. "Cut-off Value of FEV(1)/FEV(6) As a Surrogate for FEV(1)/FVC for Detecting Airway Obstruction in a Korean Population." Int J Chron Obstruct Pulmon Dis 2016.

Chung, Kyung Soo, et al. "Cut-off Value of FEV(1)/FEV(6) As a Surrogate for FEV(1)/FVC for Detecting Airway Obstruction in a Korean Population." Int J Chron Obstruct Pulmon Dis 2016.