著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Åhman, Joachim","Trade, health, and the burden of proof in WTO law",,Kluwer Law International : Wolters Kluwer,2012,Global trade law series,,9789041138255,,https://cir.nii.ac.jp/crid/1130282272255268608