Koo, H., Hong, Y., Lim, M. N., Yim, J., & Kim, W. J. (2016). Relationship between plasma matrix metalloproteinase levels, pulmonary function, bronchodilator response, and emphysema severity. Int J Chron Obstruct Pulmon Dis.

Koo, Hyeon-Kyoung, Yoonki Hong, Myoung Nam Lim, Jae-Joon Yim, και Woo Jin Kim. "Relationship between Plasma Matrix Metalloproteinase Levels, Pulmonary Function, Bronchodilator Response, and Emphysema Severity." Int J Chron Obstruct Pulmon Dis 2016.

Koo, Hyeon-Kyoung, et al. "Relationship between Plasma Matrix Metalloproteinase Levels, Pulmonary Function, Bronchodilator Response, and Emphysema Severity." Int J Chron Obstruct Pulmon Dis 2016.