Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoneyama Takeyoshi and Aiba Toshifumi and Ota Masako and Hirota Katsuhiko and Miyake Yoichiro and Hashimoto Kenji and Okamoto Hiroshi,Treatment of Gingivitis in Elderly Patients in a Nursing Home.,Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics,03009173,The Japan Geriatrics Society,1997,34,2,120-124,https://cir.nii.ac.jp/crid/1390001205019890432,https://doi.org/10.3143/geriatrics.34.120