Vizzardi, Enrico, Pompilio Faggiano, Ermanna Chiari, Diego Maffeo, Silvia Frattini, Francesca Bellandi, Savina Nodari, and Livio Dei Cas. “The Study of Left Ventricular Diastolic Function by Doppler Echocardiography: The Essential for the Clinician”. Monaldi Archives for Chest Disease 72, no. 1 (January 21, 2016). Accessed April 25, 2024. https://www.monaldi-archives.org/macd/article/view/339.