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Effect of Keluoxin on histomorphological changes of renal tissues in DN-induced rats. Renal tissues were observed by staining with H&E, Masson, and PAS; the magnification is ×400. (a) Injury score (HE staining). (b) Percentage of collagen expression area in renal tissue (Masson staining). (c) The ratio of glomerular positive expression area (%) (PAS staining).
