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) Axel Becker and Gisela Grecksch and Jürgen Kraus and Horace Loh and Helmut Schroeder and Volker Höllt,Rewarding effects of ethanol and cocaine in µ opioid receptor-deficient mice,Naunyn-Schmiedeberg's Archives of Pharmacology,0028-1298,Springer Science and Business Media LLC,2002-04-01,365,4,296-302,https://cir.nii.ac.jp/crid/1363107371245093248,https://doi.org/10.1007/s00210-002-0533-2