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) VIEL EJ,Brachial plexus block with opioids for postoperative pain relief : comparison between buprenorphine and morphine,Reg Anesth Pain Med.,,,1989,14,,274-278,https://cir.nii.ac.jp/crid/1573668926160833792,