Hur Jin, Kim Ki Whang, Park Mi-Suk, Yu Jeong-Sik
Department of Diagnostic Radiology, Yonsei University College of Medicine, Research Institute of Radiological Science, Yongdong Severance Hospital 146-92, Dogok-Dong, Kangnam-Gu, Seoul 135-270, South Korea.
AJR Am J Roentgenol. 2004 Mar;182(3):639-41. doi: 10.2214/ajr.182.3.1820639.