Ito, N., T. Tashiro, N. Morishige, M. Nishimi, Y. Hayashida, N. Minematsu, G. Kuwahara, Y. Sukehiro, and H. Teratani. “Safety and Efficacy of an Ultrashort-Acting β1-Blocker on Left Ventricular Dysfunction”. The Heart Surgery Forum, vol. 15, no. 4, Aug. 2012, pp. E189-E194, doi:10.1532/HSF98.20111152.