Authors: Doo Sun Sim; Myung Ho Jeong; Youngkeun Ahn; Young Jo Kim; Shung Chull Chae; Taek Jong Hong; In Whan Seong; Jei Keon Chae; Chong Jin Kim; Myeong Chan Cho; Ki Bae Seung; Seung Jung Park Journal: J Korean Med Sci Date: 2011-03-28 Impact factor: 2.153