Krajnc, Igor, in Andreja Sinkovič. 2021. „Assessment of Left Ventricular Impairment by Calculating Left Ventricular Impairment Index Using Doppler Echocardiography in Chronic Heart Failure Patients“. Acta Medico-Biotechnica 12 (2), 39-48. https://doi.org/10.18690/actabiomed.185.