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) HAFNER J,Management of vasculitic leg ulcers and pyoderma gangrenosum,Curr Probl Dermatol,,,1999,27,,277-285,https://cir.nii.ac.jp/crid/1570854175286307584,