Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Chikamori Taishiro and Yabe Toshikazu and Doi Yoshinori,Infective Endocarditis in the Elderly.,Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics,03009173,The Japan Geriatrics Society,2001,38,3,281-284,https://cir.nii.ac.jp/crid/1390001205020496256,https://doi.org/10.3143/geriatrics.38.281