Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okamoto Kazushi,Agreement Between Reports by the Aged Themselves and by Their Family Members on Physical and Psychological Status.,Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics,03009173,The Japan Geriatrics Society,2000,37,5,371-376,https://cir.nii.ac.jp/crid/1390282679999126144,https://doi.org/10.3143/geriatrics.37.371