Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ohno Hideaki and Niinami Hiroshi,Clinical application of multi-detector computed tomography in evaluating the aortic annulus diameter. Usefulness of average annulus diameter calculated from cross-sectional area at the virtual basal ring of aortic valve,Shinzo,0586-4488,Japan Heart Foundation,2014,46,7,875-882,https://cir.nii.ac.jp/crid/1390282679025336064,https://doi.org/10.11281/shinzo.46.875