- American Medical Associationwww.ama-assn.org
- American Phlebotomy Associationwww.apa2.com
- National Institutes of Healthwww.health.nih.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- Entrepreneurwww.entrepreneur.com
- Business Dictionarywww.businessdictionary.com
- Investopediawww.investopedia.com
- World Trade Organizationwww.wto.org
