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) Simon P. Roberts and Grant Trewartha and Rob J. Higgitt and Joe El-Abd and Keith A. Stokes,The physical demands of elite English rugby union,Journal of Sports Sciences,0264-0414,Informa UK Limited,2008-06,26,8,825-833,https://cir.nii.ac.jp/crid/1361699996012283776,https://doi.org/10.1080/02640410801942122