Chong Semin, Kim Tae Sung, Chung Man Pyo, Cho Eun Yoon, Kim Jhingook
Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50, Ilwon-dong, Gangnam-gu, Seoul 135-710, South Korea.
AJR Am J Roentgenol. 2007 Oct;189(4):W221-3. doi: 10.2214/AJR.05.1011.