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) Millicent Anim-Somuah and Rebecca MD Smyth and Allan M Cyna and Anna Cuthbert,Epidural versus non-epidural or no analgesia for pain management in labour,Cochrane Database of Systematic Reviews,1465-1858,Wiley,2018-05-21,2018,5,,https://cir.nii.ac.jp/crid/1363388843799751424,https://doi.org/10.1002/14651858.cd000331.pub4