Parna, D. R., and J. Kurniawaty. “Transesophageal Echocardiography–Derived Renal Resistive Index After Cardiopulmonary Bypass: A Novel Hemodynamic Marker of Postoperative Renal Vulnerability ”. Jurnal Komplikasi Anestesi, Vol. 13, no. 1, Feb. 2026, pp. 64-68, doi:10.22146/jka.v13i1.27983.