“Improved Diagnosis through Diastolic Hyperemia-Free Ratio (DFR) over Fractional Flow Reserve (FFR) in Intermediate Coronary Lesions”. Cardiology and Cardiovascular Medicine 7, no. 2 (April 4, 2023): 105–116. Accessed September 17, 2026. https://fortunejournals.org/ojs/index.php/ccm/article/view/16399.