Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Narinder Rawal,Current issues in postoperative pain management,European Journal of Anaesthesiology,0265-0215,Ovid Technologies (Wolters Kluwer Health),2016-03,33,3,160-171,https://cir.nii.ac.jp/crid/1362544420321059456,https://doi.org/10.1097/eja.0000000000000366