Kim, S., Oh, J., Kim, Y., Ban, H., Kwon, Y., Oh, I., . . . Lim, S. (2013). Differences in classification of COPD group using COPD assessment test (CAT) or modified Medical Research Council (mMRC) dyspnea scores: A cross-sectional analyses. BioMed Central.

Kim, Sunmin, Jisun Oh, Yu-Il Kim, Hee-Jung Ban, Yong-Soo Kwon, In-Jae Oh, Kyu-Sik Kim, Young-Chul Kim, and Sung-Chul Lim. Differences in Classification of COPD Group Using COPD Assessment Test (CAT) or Modified Medical Research Council (mMRC) Dyspnea Scores: A Cross-sectional Analyses. BioMed Central, 2013.

Kim, Sunmin, et al. Differences in Classification of COPD Group Using COPD Assessment Test (CAT) or Modified Medical Research Council (mMRC) Dyspnea Scores: A Cross-sectional Analyses. BioMed Central, 2013.