Dong Ryeol Ryu, Sung-Ji Park, Hyejin Han, Hyun-Jong Lee, Sung-A Chang, Jin-Oh Choi, Sang-Chul Lee, Seung Woo Park, Jae K Oh

J Cardiovasc Ultrasound.2010;18(4):127-133.   Published online 2010 December 31     DOI: http://dx.doi.org/10.4250/jcu.2010.18.4.127