Ra SW, Lee SD
Jung HS, Kang BJ, Ra SW, Seo KW, Jegal Y, Jun JB, Jung J, Jeong J, Jeon HJ, Ahn JS, Lee T, Ahn JJ
Ra SW, Park SE, Lee HK, Han IS, Park SH
Shin YM, Kim JH, Kim HW, Choi BS, Jeong JG, Hwang JW, Seo KW, Ahn JJ, Ra SW
Cho JJ, Ra SW, Lee KH, Lee JA, Kang CH, Gwon DI, Oh YM
Choi H, Lee H, Ra SW, Oh YM
Ra SW, Lee KH, Jung JY, Kang HS, Park IN, Choi HS, Jung H, Chon GR, Shim TS
Oh DW, Ra SW, Lee KH, Park TS, Kim SY, Na SY, Kim WD
Yi YA, Kim JM, Hwang SJ, Sung SJ, Kim SJ, Kim YM, Seo KW, Ra SW, Jegal Y
Jang HJ, Ra SW, Oh BJ, Lim CM, Koh Y, Hong SB, Korean Study Group on Respiratory Failure (KOSREF)
Lee HS, Jeon JW, Kim JH, Ju HU, Bae JG, Min YJ, Ahn JJ, Seo KW, Jegal Y, Kwon WJ, Cha HJ, Ra SW
Jeon HG, Park JH, Park HM, Kwon WJ, Cha HJ, Lee YJ, Park CR, Jegal Y, Ahn JJ, Ra SW
Lee YS, Park S, Oh YM, Lee SD, Park SW, Kim YS, In KH, Jung BH, Lee KH, Ra SW, Hwang YI, Park YB, Jung KS, Korean COPD Study Group
Chang Y, Ra SW, Chae EJ, Seo JB, Kim WY, Na S, Kim JH, Park TS, Park SK, Park SJ, Lee T, Ahn YC, Lee SD
Lee KH, Ra SW, Park IN, Choi HS, Jung H, Chon GR, Shim TS
Ju HU, Seo KW, Jegal Y, Ahn JJ, Lee YJ, Kim YM, Oak C, Ra SW
Chang BC, Kim NH, Jeong SH, Ra SW, Kim WK, Kim SS, Cho BK
Kang BJ, Ra SW, Lee K, Lim S, Son SH, Ahn JJ, Kim BC
Lee SJ, Weon YC, Cha HJ, Kim SY, Seo KW, Jegal Y, Ahn JJ, Ra SW
Boo SJ, Lee K, Ra SW, Jin YJ, Park GM, Hong SB