Sang-Ha Kim, Hyun-Mi Kim, Young-Min Ye, Seung-Hyun Kim, Dong-Ho Nahm, Hae-Sim Park, Sang-Ryeol Ryu, Bou-Oung Lee

Yonsei Med J.2006;47(4):505-512.   Published online 2006 August 31     DOI: http://dx.doi.org/10.3349/ymj.2006.47.4.505