35 COMMERCIAL AND BUSINESS CONSULTATION IN MANAGEMENT ISSUES AND IN THE ORGANIZATION AND ADMINISTRATION OF COMMERCIAL UNDERTAKINGS AND PROFESSIONAL PRACTICES, ESPECIALLY FOR PHYSICIANS, DENTISTS, DENTAL TECHNICIANS AND DENTAL LABORATORIES; MARKETING OF MEDICAL AND DENTAL PRODUCTS FOR THE MANUFACTURE OF PROSTHESES AS A SERVICE FOR THIRD-PARTIES; PRODUCTION AND DISTRIBUTION OF ADVERTISING MATERIALS, ESPECIALLY IN THE MEDICAL AND DENTAL SECTOR; SERVICES OF AN ADVERTISING AGENCY; MARKET AND PUBLIC OPINION SURVEYS; ORGANIZATION OF TRADE FAIRS FOR COMMERCIAL OR ADVERTISING PURPOSES; ARRANGING AND ISSUING LICENSES ON INDUSTRIAL PROPERTY RIGHTS; PROVIDING TECHNICAL INFORMATION AND KNOW-HOW, ESPECIALLY IN THE MEDICAL AND DENTAL SECTOR,