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) BENNETT GL,Subchorionic hemorrhage in first-trimester pregnancies : prediction of pregnancy outcome with sonography,Radiology,,,1996,200,,803-806,https://cir.nii.ac.jp/crid/1570291226223100288,