Yoon-Ki Cha, Soo Hyun Kim, Mi-Jin Kang, Ji-Young Kim, Soung Hee Kim, Hyun Sun Cho, Myeong Ja Jeong

J Korean Soc Radiol.2010;63(6):555-559.   Published online 2010 December 31     DOI: http://dx.doi.org/10.3348/jksr.2010.63.6.555