“Serum Matrix Metalloproteinase-9, Tissue Inhibitor of Metalloproteinase-1 and Matrix Metalloproteinase-9 Neutrophil Gelatinase-Associated Lipocalin Complex Levels in Patients With Early-Stage Diabetic Nephropathy”. Iranian Journal of Kidney Diseases, vol. 12, no. 5, Oct. 2018, pp. 299-04, https://ijkd.org/index.php/ijkd/article/view/3878.