1. The American Heart    Association

2. JAMA 

3. Elmhurst Hospital

4. Midwest Heart Specialists

5. SARS

6. Direct Access Testing/Health Check USA

7. Prescription Assistance

8. Human Heart Sounds

9. Heart Glossary

10. Heart Pioneers

11. WMAQ-TV/NBC 5

12. WomenHeart

13. Nova On Line 

14. Virtual Body

15. Heart Online Exploration

16. Nutrition 

17. Physical Activity

18. Healthy Weather