Jung Na Young, Kim Seung Kwon, Chung Eun Chul, Park Haewon, Cho Yong Kyun
Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 180, Pyung-Dong, Jongro-Ku, Seoul 110-746, South Korea.
AJR Am J Roentgenol. 2007 May;188(5):W400-2. doi: 10.2214/AJR.05.0628.