Koh, Won-Jung; Lee, Seung Heon; Kang, Young Ae; Lee, Chang-Hoon; Choi, Jae Chol; Lee, Jae Ho; Jang, Seung Hun; Yoo, Kwang Ha; Jung, Ki Hwan; Kim, Ki Uk; Choi, Sang Bong; Ryu, Yon Ju; Kim, Kyung Chan; Um, Soojung; Kwon, Yong Soo; Kim, Yee Hyung; Choi, Won-Ii; Jeon, Kyeongman; Hwang, Yong Ii; Kim, Se Joong; Lee, Young Seok; Heo, Eun Young; Lee, Juhee; WoonKi, Yeo; Shim, Tae Sun; Yim, Jae-Joon
American Journal of Respiratory and Critical Care Medicine, Vol.188 No.7, pp.858-864