Jee Hyun Lee, Suk-Koo Lee, Hae Jeong Lee, Jeong Meen Seo, Jae Won Joh, Sung Joo Kim, Choon Hyuck Kwon, Yon Ho Choe

Yonsei Med J.2009;50(6):784-788.   Published online 2009 December 18     DOI: http://dx.doi.org/10.3349/ymj.2009.50.6.784