Stock market guide to companies representing the medical and health care industry in the United States. All companies included are profit-making enterprises. Excludes overseas operations of United States-based companies. Companies listed were included because they were considered to have significant market value (fee not involved). Alphabetical arrangement by company names. Each entry gives such information as address, telephone number, description of products and services, estimated sales, and officers. Organization, classified, geographical, management, international, marketplace sections. 1975 ed., 1326 companies.