Basedow Disease with Recurrent Syncopal Attack and Severe Pulmonary Hypertension - Higashide, Takashi; Okai, Takahiro; Yoshida, Setsuko; Tonoike, Norimasa; Kakihara, Masako; Mizumura, Taisuke; Oshima, Akio; Sugimura, Youichi; Tamamura, Toshitake; Ogata, Itsuro (Nihon Naika Gakkai Zasshi, 2007)