Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ELFBERG BA,"Intraperitoneal bupivacaine does not effectively reduce pain after laparoscopic cholecystectomy : a randomized, placebo-controlled and double-blind study",Surg Laparosc Endosc Percutan Tech.,,,2000,10,,357-359,https://cir.nii.ac.jp/crid/1573950401022680576,