著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
KUWATA Tomoyuki and MATSUBARA Shigeki,"Another ""double bubble"" sign or ""double bladder"" sign : fetal intra-abdominal umbilical vein varix",Journal of medical ultrasonics : official journal of the Japan Society of Ultrasonics in Medicine,13464523,,2011-10-15,38,4,243-245,https://cir.nii.ac.jp/crid/1573387450563345024,