Kim, Woo Jin; Oh, Yeon-Mok; Sung, Joohon; Lee, Young Kyung; Seo, Joon Beom; Kim, NamKug; Kim, Tae-Hyung; Huh, Jin Won; Lee, Ji-Hyun; Kim, Eun-Kyung, et al.
ArticleIssue Date2009CitationRESPIRATORY MEDICINE, v.103, no.1, pp 98 - 103PublisherW B SAUNDERS CO LTD