Relation between reduction in ischaemic mitral regurgitation and improvement in regional left ventricular contractility during low dose dobutamine stress echocardiography. Issue 8 (14th July 2005) - Abe, Y; Imai, T; Ohue, K; Otsuka, R; Komatsu, R; Otsuka, M; Sakanoue, Y; Naruko, T; Itoh, A; Yoshiyama, M; Haze, K; Yoshikawa, J