Won Young Jang, Woohyeun Kim, Eun Jin Park, Jah Yeon Choi, Cheol Ung Choi, Hong Euy Lim, Jin Won Kim, Eung Ju Kim, Seung-Woon Rha, Jin Oh Na

J Cardiovasc Ultrasound.2017;25(4):140-141.   Published online 2017 December 29     DOI: http://dx.doi.org/10.4250/jcu.2017.25.4.140