Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hayashi Ryuichi,Surgical Treatment for Elderly Patients with Head and Neck Cancer—Larynx Preservation Surgery for Elderly Patients—,Nihon Kikan Shokudoka Gakkai Kaiho,00290645,The Japan Broncho-esophagological Society,2012,63,5,392-397,https://cir.nii.ac.jp/crid/1390001205014226816,https://doi.org/10.2468/jbes.63.392