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) MARIK P,Aspiration pneumonia and dysphagia in the elderly,Chest,,,2003,124,1,328-336,https://cir.nii.ac.jp/crid/1572543025436348416,