Young-Min Ye, Dong-Ho Nahm, Sang-Ha Kim, Seung-Hyun Kim, Jeong-Hee Choi, Chang-Hee Suh, Hae-Sim Park

J Korean Med Sci.2006;21(3):412-417.   Published online 2006 June 21     DOI: http://dx.doi.org/10.3346/jkms.2006.21.3.412