Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kato Yuji and Dembo Tomohisa and Takeda Hidetaka and Tanahashi Norio,Significance of Eustachian valve in paradoxical cerebral embolism,Japanese Journal of Stroke,0912-0726,The Japan Stroke Society,2011,33,5,480-487,https://cir.nii.ac.jp/crid/1390282679616020608,https://doi.org/10.3995/jstroke.33.480