Dong Yeon Lee, Tae-Joon Cho, In Ho Choi, Chin Youb Chung, Won Joon Yoo, Ji Hyung Kim, Yong Koo Park

J Korean Med Sci.2006;21(4):709-714.   Published online 2006 August 22     DOI: http://dx.doi.org/10.3346/jkms.2006.21.4.709