Authors: Sung Woo Cho; Yun Jeong Kang; Tae Hoon Kim; Sung Kyun Cho; Mee Won Hwang; Won Chang; Kun Joo Rhee; Byung Ok Kim; Choong Won Goh; Kyoung Min Park; Jeong Hoon Kim; Young Sup Byun; Young Jin Yuh Journal: Korean Circ J Date: 2010-02-23 Impact factor: 3.243