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) D Spina,PDE4 inhibitors: current status,British Journal of Pharmacology,0007-1188,Wiley,2008-10,155,3,308-315,https://cir.nii.ac.jp/crid/1363107370841267840,https://doi.org/10.1038/bjp.2008.307