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Representative macroscopic images of the skin of rats during and after the implantation procedure. (A) The subcutaneous pocket of rat skin created to place films; (B) the surface of rat skin 7 days after surgery after the placement of Spongostan; (C) placebo film without PVP-I (PVA/HPMC_B/C); (D), film with incorporated PVP-I (PVA/HPMC_B/T).
