You can look at some of these different books as well as the abstracts in the Protocols section of LEF, for referances.
Scientific Validation of Herbal Remedies.
Mowrey D.
USA: Keats Publishing, 1990.
Herbal Tonic Therapies.
Mowrey D.
USA: Keats Publishing, 1993.
Herbal Medicine.
Weiss R.F.
Gothenburg: AB Arcanum, 1988; Beaconsfield England: Beaconsfield Publishers, 1988.
The Healing Herbs: The Ultimate Guide to the Curative Power of Mature's Medicines.
Castleman M.
Sheldon Sault Hendler.
I would also recommend the book "Healing with whole foods" Paul Pitchford 3rd ed.
Scientific Validation of Herbal Remedies.
Mowrey D.
USA: Keats Publishing, 1990.
Herbal Tonic Therapies.
Mowrey D.
USA: Keats Publishing, 1993.
Herbal Medicine.
Weiss R.F.
Gothenburg: AB Arcanum, 1988; Beaconsfield England: Beaconsfield Publishers, 1988.
The Healing Herbs: The Ultimate Guide to the Curative Power of Mature's Medicines.
Castleman M.
Sheldon Sault Hendler.
I would also recommend the book "Healing with whole foods" Paul Pitchford 3rd ed.