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) S. Arnér and N. Rawal and L. L. Gustafsson,Clinical experience of long–term treatment with epidural and intrathecal opioids – a nationwide survey,Acta Anaesthesiologica Scandinavica,0001-5172,Wiley,1988-04,32,3,253-259,https://cir.nii.ac.jp/crid/1361137045479461760,https://doi.org/10.1111/j.1399-6576.1988.tb02725.x