Yong Seok Kim, Yoo Shin Choi, Jun Seok Park, Beom Gyu Kim, Seong Jae Cha, Kyong Choun Chi, Sung Jun Park, In Taik Chang, Sung Il Park

Yonsei Med J.2009;50(6):859-861.   Published online 2009 December 18     DOI: http://dx.doi.org/10.3349/ymj.2009.50.6.859