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Macroscopic (a) and histological (b) analyses of tissue-engineered skin substitutes. Photos are of healthy (H) and psoriatic (P) substitutes and psoriatic substitutes treated with methotrexate (MTX), balsacone A (BA), balsacone B (BB), balsacone C (BC), (±)-balsacone K (BK) or (±)-iryantherin-D (BD).
