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Histological analysis of experimental sample F4 (CS:PVA: CS-g-CNO 29.50:70.00:0.50). Magnifications are as follows: (A) 4× H&E, (B) 10× H&E, (C) 40× MT, (D) 100× MT. E: epidermis. D: Dermis. FC: Fibrous capsule. II: Inflammatory infiltrate. RZ: Reabsorption zone. IC: Inflammatory cells. F4: Film formulation 4(CS:PVA:CS-g-CNO 29.50:70.00:0.50). Hematoxylin and eosin (H&E) and Masson’s trichrome stain (MT) techniques.
