Semi-quantitative evaluation of endolymphatic hydrops by bilateral intratympanic gadolinium-based contrast agent (GBCA) administration with MRI for Meniere's disease. - Fukuoka, Hisakuni; Tsukada, Keita; Miyagawa, Maiko; Oguchi, Tomohiro; Takumi, Yutaka; Sugiura, Makoto; Ueda, Hitoshi; Kadoya, Masumi; Usami, Shin-Ichi (Acta Oto-Laryngologica, 2010)