“Prevalence, Feature and Treatment in a Cohort of Patients Hospitalized for Heart Failure With Preserved Systolic Function: Data from the PRESYF-HF Toscana Study”. Italian Journal of Medicine 3, no. 3 (April 30, 2013): 154–162. Accessed July 6, 2025. https://www.italjmed.org/ijm/article/view/itjm.2009.154.