1. NIH

2. Biopsychiatry on the web

3. The Mayo Clinic

4. Medscape

5. Merk

6. Clinical Neuropharmacology Journal On the Web

7. Martindale's Health Scientific Guide: Pharmacology

8. Pharmweb

9. http://www.neurosci.pharm.utoledo.edu/MBC3320/dopamine.htm

10. Indiana State Monoamine Pages

11. Tyrosine Metabolic Pathway (including dopamine)