Jung Sun Cho, Eun Joo Cho, Jongho Lee, Hyun-Duck Choi, Ki Cheol Park, Kyung-Hwa Lee, Keum-Jin Yang, Mahn-Won Park, Gyung-Min Park, Sung-Ho Her, Chan Joon Kim

J Cardiovasc Ultrasound.2014;22(4):189-195.   Published online 2014 December 26     DOI: http://dx.doi.org/10.4250/jcu.2014.22.4.189