Coronary spasm as an exaggerating factor of mitral regurgitation in a patient with dilated-phase hypertrophic cardiomyopathy. (15th November 2016) - Higashi, Haruhiko; Nishimura, Kazuhisa; Iio, Chiharuko; Watanabe, Yuta; Kono, Tamami; Uetani, Teruyoshi; Aono, Jun; Nagai, Takayuki; Inoue, Katsuji; Suzuki, Jun; Okura, Takafumi; Higaki, Jitsuo; et al.