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) Katherine Berg,Measuring balance in the elderly: preliminary development of an instrument,Physiotherapy Canada,0300-0508,University of Toronto Press Inc. (UTPress),1989-11,41,6,304-311,https://cir.nii.ac.jp/crid/1360564063942157568,https://doi.org/10.3138/ptc.41.6.304