Hyung Jin Yoon, Ho Jun Chin, Ki Young Na, Dong-Wan Chae, Suhnggwon Kim, Un Sil Jeon, Woo Kyung Chung, Hyun Hee Lee, Jaeseok Yang, Sejoong Kim, Young-Joo Kwon, Hyun Chul Kim, Sung Bae Park, Hye Young Kim, Tae Woo Lee,

J Korean Med Sci.2009;24(Suppl 1):S38-S43.   Published online 2009 January 28     DOI: http://dx.doi.org/10.3346/jkms.2009.24.S1.S38