Seog-Yun Park, Baek-Hee Kim, Jeong Ho Kim, Nam-Yun Cho, Minhee Choi, Eun Joo Yu, Sun Lee, Gyeong Hoon Kang

J Korean Med Sci.2007;22(2):311-317.   Published online 2007 April 30     DOI: http://dx.doi.org/10.3346/jkms.2007.22.2.311