Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SUENAGA Masako and HIRAGA Masao and NAKAMURA Katsuya and SAKAGUCHI Yuuki and HATANAKA Naomi and IKEDA Daisuke and SHIGETA Kouichirou,Ultrasonographic evaluation of deep venous thrombi in preoperative orthopedic patients with D-dimer above the normal range,Choonpa Igaku,1346-1176,The Japan Society of Ultrasonics in Medicine,2007,34,2,159-164,https://cir.nii.ac.jp/crid/1390282680176326144,https://doi.org/10.3179/jjmu.34.159