
Keywords: آنزیم ایمونوسیورسانس (ELISA); Acute kidney injury (AKI); urinary biomarker; biomarker stability; urine storage; freeze-thaw cycle; sample handling conditions; neutrophil gelatinase-associated lipocalin (NGAL); kidney injury molecule 1 (KIM-1); interleukin 18 (IL-18); enzyme-linked imm