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) KELLER BK,The effect of visual and hearing impairments on functional status,J Am Geriatr Soc,,,1999,47,,1319-1325,https://cir.nii.ac.jp/crid/1571135651352211584,