Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Chung Namsik,Assessment of Myocardial Perfusion With Intravenous Myocardial Contrast Echocardiography Current State and Clinical Applications,Journal of Echocardiography,1349-0222,Japanese Society of Echocardiography,2006,4,4,91-98,https://cir.nii.ac.jp/crid/1390282680208608000,https://doi.org/10.2303/jecho.4.91