Oh J K, Ahn M I, Kim C H, Cho K D, Cho D G, Kang C U, Yoo J
Department of Radiology and Nuclear Medicine, St Vincent's Hospital, The Catholic University of Korea, Paldal-gu, Suwon, Republic of Korea.
Clin Radiol. 2008 Oct;63(10):1177-80. doi: 10.1016/j.crad.2008.02.006. Epub 2008 Apr 21.