Lee KH , Jeong MH , Ahn YK , Kim JH , Chae SC , Kim YJ , Hur SH , Seong IW , Hong TJ , Choi DH , Cho MC , Kim CJ , Seung KB , Chung WS , Jang YS , Cho JG , Park SJ .
Korean Circ J. 2007 Feb;37(2):64-71. Korean. Original Article.
https://doi.org/10.4070/kcj.2007.37.2.64