Authors: Hye Jin Cho; Joong Sik Shin; Jae Hyug Yang; Hyun Mee Ryu; Moon Young Kim; Jung Yeol Han; Joo Oh Kim; Hyun Kyong Ahn; June Seek Choi; Jin Hoon Chung; Su Hyun Park; Min Hyoung Kim; Kyu Hong Choi Journal: J Korean Med Sci Date: 2006-06 Impact factor: 2.153