Collagen-Based Films Containing Liposome-Loaded Usnic Acid as Dressing for Dermal Burn Healing
Pattern of immunohistochemical expression of α-SMA (UAL, 14 days). Positive cells scattered in the connective tissue, parallel arranged in relation to the collagen fibers (white arrows), were regarded as myofibroblasts. Positive cells disposed, surrounding the newly formed blood vessels (black arrows) were considered pericytes (Immunohistochemistry, LSAB).
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