著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) R.C.o.O.a. Gynaecologists,Reducing the risk of venous thromboembolism during pregnancy and the puerperium,Green-top Guideline,,,2015,37a,,1,https://cir.nii.ac.jp/crid/1370006507752555663,