Yoon-La Choi, Jae Joon Han, Da Keun Lee, Min Ho Cho, Ghee Young Kwon, Young Hyeh Ko, Cheol Keun Park, Geunghwan Ahn

J Korean Med Sci.2006;21(3):559-562.   Published online 2006 June 21     DOI: http://dx.doi.org/10.3346/jkms.2006.21.3.559