Adrian, Muhammad Ali, Marshal, Marshal, Syahputra, Muhammad Ali, Lelo, Aznan, Buchari, Frank Bietra, AND Siregar, Denny Rifsal. " 031. Urine Neutrophil Gelatinase-Associated Lipocalin (NGAL) Levels as a Predictor of Early Acute Kidney Injury in Post Coronary Artery Bypass Graft (CABG) Patients in H. Adam Malik Hospital Medan" JBN (Jurnal Bedah Nasional) [Online], Volume 8 Number 2 (31 October 2024)