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) American College of Obstetricians and Gynecologists,Practice Bulletin No. 134,Obstetrics & Gynecology,0029-7844,Ovid Technologies (Wolters Kluwer Health),2013-05,121,5,1122-1133,https://cir.nii.ac.jp/crid/1361981468958246784,https://doi.org/10.1097/01.aog.0000429658.85846.f9