Pharmaceutical preparations for use in the treatment of acute and chronic wounds; veterinary preparations for use in the treatment of acute and chronic wounds; hygienic products, namely, hygienic bandages for use in wound-healing and tissue repair; medical dressings, namely, dressings for the application on acute and chronic wounds; cells for medical and veterinary use; skin cells for medical use; therapeutic products, namely, bioengineered tissues and epithelium sheets for use in the treatme...