Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KIYOSHI INOUE and HAROLD SMULYAN and SAKTIPADA MOOKHERJEE and ROBERT H. EICH,Ultrasonic Measurement of Left Ventricular Wall Motion in Acute Myocardial Infarction,Circulation,0009-7322,Ovid Technologies (Wolters Kluwer Health),1971-06,43,6,778-785,https://cir.nii.ac.jp/crid/1362825893526636416,https://doi.org/10.1161/01.cir.43.6.778