Khan, Brig Dilshad Ahmed, et al. “COMPARISON OF URINE WITH PLASMA NEUTROPHIL GELATINASE– ASSOCIATED LIPOCALIN IN DETECTING ACUTE KIDNEY INJURY AFTER CARDIOPULMONARY BYPASS SURGERY: Plasma Neutrophil Gelatinase”. Pakistan Armed Forces Medical Journal, vol. 63, no. 2, June 2013, pp. 179-83, https://pafmj.org/PAFMJ/article/view/2219.