Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Doi Katsumi and Sato Takashi,Presbyacusis and Neurotrophic Factors,Otology Japan,0917-2025,Japan Otological Society,2010,20,3,203-207,https://cir.nii.ac.jp/crid/1390001204773603200,https://doi.org/10.11289/otoljpn.20.203