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) Andres Zorrilla-Vaca and Ryan Healy and Carolina Zorrilla-Vaca,Finer gauge of cutting but not pencil-point needles correlate with lower incidence of post-dural puncture headache : a meta-regression analysis,Journal of anesthesia,09138668,[Tokyo] : [Springer Japan],2016,30,5,855-863,https://cir.nii.ac.jp/crid/1523669555180919680,