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) EYLER AA,The epidentiology of walking for physical activity in the United States,Med Sci Sports Exerc,,,2003,35,,1529-1536,https://cir.nii.ac.jp/crid/1570854176349037952,