1. Tindle HA, Davis RB, Phillips RS, Eisenberg DM. Trends in use of complementary and alternative medicine by US adults: 1997-2002. Altern Ther Health Med. 2005;11:42-49.
2. Ernst E, Barnes J. Methodological approaches to investigating the safety of complementary medicine. Complement Ther Med. 1998;6:115-121.
3. Ernst E. Evaluation of complementary/alternative medicine. Z Arztl Fortbild Qualitatssich. 2007;
4. Druss BG, Rosenheck RA. Use of practitioner-based complementary therapies by persons reporting mental conditions in the United States. Arch Gen Psychiatry. 2000;57:708-714.
5. Elkins G, Rajab MH, Marcus J. Complementary and alternative medicine use by psychiatric inpatients. Psychol Rep. 2005;96:163-166.
6. Unutzer J, Klap R, Sturm R, et al. Mental disorders and the use of alternative medicine: results from a national survey. Am J Psychiatry. 2000;157:1851-1857.
7. Kessler RC, Soukup J, Davis RB, et al. The use of complementary and alternative therapies to treat anxiety and depression in the United States. Am J Psychiatry. 2001;158:289-294.
8. Gurley BJ, Gardner SF, Hubbard MA. Content versus label claims in ephedra-containing dietary supplements. Am J Health Syst Pharm. 2000;57:1-7.
9. Huggett D. Organochlorine pesticides and metals in select botanical dietary supplements. Bull Environ Contam Toxicol. 2001;66:150-155.
10. Huang W, Wen K, Hsiao M. Adulteration by synthetic therapeutic substances of traditional Chinese medicines in Taiwan. J Clin Pharmacol. 1997;37:334-350.
11. Jacobs K, Hirsch K. Psychiatric complications of Ma-huang. Psychosomatics. 2000;41:58-62.
12. Spollen JJ, Spollen SM, Markowitz JS. Psychiatric side effects of herbal medicinals. J Pharm Practice. 1999;12:196-207.
13. Brown RP, Gerbarg PL, Muskin PR. Alternative treatments in psychiatry. In: Tasman A, Kay J, Lieberman JA, eds. Psychiatry. 2nd ed. London: Wiley; 2003:2147-2183.
14. Miller LG. Herbal medicinals: selected clinical considerations focusing on known or potential drug-herb interactions. Arch Intern Med. 1998;158:2200-2211.
15. Lake J, Spiegel D. Complementary and Alternative Treatments in Mental Health Care. Washington, DC: American Psychiatric Publishing, Inc; 2007.
16. Ernst E, Siev-Ner I, Gamus D. Complementary medicine—a critical review. Isr J Med Sci. 1997;
17. Ernst E, Armstrong N. Lay books on complementary/alternative medicine: a risk factor for good health? Int J Risk Safety Med. 1998;11:209-215.

Further Reading
•Bratman S, Girman AM. Mosby’s Handbook of Herbs and Supplements and Their Therapeutic Uses. St Louis: Mosby; 2002.
•Chen J. Recognition and prevention of herb-drug interactions. Medical Acupuncture. 1998/1999;10: 9-13.
•ConsumerLab. Accessed June 17, 2009.
•Harkness R, Bratman S. Mosby’s Handbook of Drug- Herb and Drug-Supplement Interactions. St Louis: Mosby; 2002.
•Lake J. The integration of traditional Chinese Medicine (TCM) and Western biomedicine, with emphasis on treatment of psychiatric disorders. Integrative Medicine. Aug/Sept 2004.
•Natural Medicines Comprehensive Database. 1995- 2009. Accessed June 17, 2009.
•Stargrove MB,Treasure J, McKee DL. Herb, Nutrient, and Drug Interactions: Clinical Implications and Therapeutic Strategies. St Louis: Mosby; 2007.