Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yamamoto Yutaka,Current Status of Surgical Treatment for Middle Ear Cholesteatoma in Japan,Practica Oto-Rhino-Laryngologica,00326313,The Society of Practical Otolaryngology,2020,113,11,683-691,https://cir.nii.ac.jp/crid/1390286426513286912,https://doi.org/10.5631/jibirin.113.683