Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKURA Hiroyuki and Inoue Hiroo and TOMON Miyo and NISHIYAMA Shoji and YOSHIKAWA Tadashi and YOSHIDA Kiyoshi,Transesophageal Echocardiographic Detection of Cardiac Sources of Embolism in Elderly Patients with Ischemic Stroke.,Internal Medicine,09182918,The Japanese Society of Internal Medicine,1999,38,10,766-772,https://cir.nii.ac.jp/crid/1390001204870042624,https://doi.org/10.2169/internalmedicine.38.766