73749663
Aug 31, 1988
Dec 5, 1989
PHARMACEUTICAL PREPARATIONS FOR USE IN TREATMENT OF DERMATOLOGICAL DISEASES AND LESIONS, CONSISTING OF BIOLOGICAL MATERIALS, NAMELY DERIVATIVES OF HYALURONIC ACID; ARTIFICIAL SKIN FOR IMPLANTS; AND THERAPEUTIC DRUGS, NAMELY BIOLOGICAL COMPOSITES PRINCIPALLY INCORPORATING HYALURONIC ACID DERIVATIVES
Pharmaceuticals