Hoshida, Shiro. “Required Elements for Next-Generation Prognostic Index Beyond Left Ventricular Ejection Fraction in Heart Failure”. Journal of Cardiology and Cardiovascular Medicine 9, no. 2 (August 12, 2024): 116–117. Accessed December 5, 2025. https://www.cardiologymedjournal.com/index.php/jccm/article/view/jccm-aid1189.