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Further References

Textbook of Advanced erbologyU, T. Willard, PhD., Wild Rose College of Natural Healing Ltd. 1992
Drug Facts and ComparisonsU, 1990
Journal of EthnopharmacologyU, vol.6, 1982
The Complete German Commission E MonographsU - Therapeutic Guide to Herbal Medicines. American Botanical Council, Boston, 1998
 
Planta Medica - Journal of Medicinal Plant ResearchU, 198
 
The Lancet Medical JournalU, Vol. 340, No. 8828

 
Journal of Clinical PsychiatryU, Vol. 59, No. 04
 
Herbal Medicines – Guide for Health-care ProfessionalsU, Carol Newall, Linda Anderson, J. David Phillipson, The Pharmaceutical Press, London (UK), 1996
 
The Herb Research FoundationU, Boulder, CO, USA 1997-2001.
 
The Medical Advisor – The Complete Guide to Alternative & Conventional TreatmentsU, Robert Somerville,
Time-Life Books, 1996.
Asian GinsengU, Steven Foster. American Botanical Council, 1990.
 
The Herb Research FoundationU, Boulder, CO, USA 1997-2001.
 
The Medical Advisor – The Complete Guide to Alternative & Conventional TreatmentsU, Robert Somerville, Time-Life Books, 1996.
 
Asan GinsengU, Steven Foster. American Botanical Council, 1990.