PROCUREMENT SERVICES, NAMELY, GROUP PURCHASING SERVICES FOR OTHERS VIA A GLOBAL COMPUTER NETWORK IN THE MEDICAL AND VETERINARY FIELDS, AND PROVIDING BUSINESS INFORMATION TO OTHERS CONCERNING GROUP PURCHASING CONTRACTS, MEDICAL SERVICES, DISTRIBUTOR RELATIONSHIPS AND PRODUCT DATA FROM A PORTFOLIO OF SELECTED MANUFACTURERS AND DISTRIBUTORS OF MEDICAL SUPPLIES, MEDICAL EQUIPMENT, PHARMACEUTICALS, LABORATORY PRODUCTS, FOOD AND SURGICAL PRODUCTS VIA A GLOBAL COMPUTER NETWORK