Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Saito Noboru,The influence of aging on electrocardiographic findings in the population survey.,Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics,03009173,The Japan Geriatrics Society,1987,24,6,555-560,https://cir.nii.ac.jp/crid/1390001205025482624,https://doi.org/10.3143/geriatrics.24.555