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) BHARGAVA HN,"Effect of chronic administration of U-50,488H on tolerance to its pharmacological actions and on multiple opioid receptors in rat brain regions and spinal cord",J Pharmacol Exp Ther.,,,1989,251,,21-26,https://cir.nii.ac.jp/crid/1570009750901911680,