Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Gyo Kiyofumi and Yanagihara Naoaki,Surgical repair of meningoencephalocele in the radical mastoidectomy cavity,Practica Oto-Rhino-Laryngologica,00326313,The Society of Practical Otolaryngology,1977,70,12,1909-1913,https://cir.nii.ac.jp/crid/1390282679246265984,https://doi.org/10.5631/jibirin.70.1909