Authors: Yun Ha Choi; Young Joon Hong; In Hyae Park; Myung Ho Jeong; Khurshid Ahmed; Seung Hwan Hwang; Min Goo Lee; Keun-Ho Park; Doo Sun Sim; Ju Han Kim; Youngkeun Ahn; Jeong Gwan Cho; Jong Chun Park; Jung Chaee Kang Journal: J Korean Med Sci Date: 2011-07-27 Impact factor: 2.153