Soon Hyuk Kwak, Seung Young Lee, Sang Hoon Cha, Min Ho Kang, Bum Sang Cho, Gi Seok Han, Kil Sun Park, Sung Jin Kim

J Korean Soc Radiol.2011;65(5):447-450.   Published online 2011 November 30     DOI: http://dx.doi.org/10.3348/jksr.2011.65.5.447