Choi, J. S., Kwak, S. H., Son, N., Oh, J. W., Lee, S., & Lee, E. H. (2021). Sex differences in risk factors for depressive symptoms in patients with COPD: The 2014 and 2016 Korea National Health and Nutrition Examination Survey. BMC Pulm Med.

Choi, Ji Soo, Se Hyun Kwak, Nak-Hoon Son, Jae Won Oh, San Lee, and Eun Hye Lee. "Sex Differences in Risk Factors for Depressive Symptoms in Patients With COPD: The 2014 and 2016 Korea National Health and Nutrition Examination Survey." BMC Pulm Med 2021.

Choi, Ji Soo, et al. "Sex Differences in Risk Factors for Depressive Symptoms in Patients With COPD: The 2014 and 2016 Korea National Health and Nutrition Examination Survey." BMC Pulm Med 2021.