Grube B, Grunwald J, Krug L, Staiger C.
Efficacy of a comfrey root (Symphyti offic. radix) extract ointment in the treatment
of patients with painful osteoarthritis of the knee:
results of a double-blind, randomised, bicenter, placebo-controlled trial.
Phytomedicine 2007;14:2-10.

Hsu C-C, Ho M-C, Lin L-C, Su B, Hsu M-C. American ginseng supplementation attentuates creatine kinase level induced by submaximal exercise in human beings.
World Journal of Gastroenterology 2005;11(34):5327-5331.

Gagnier JJ, Chrubasik S, Manheimer E.
Harpagophytum procumbens for osteoarthritis and low back pain: a systematic review.
BMC Complementary and Alternative Medicine 2004;4:13.

George J, Loannides-Demos LL, Santamaria NM, Kong DCM, Stewart K.
Use of complementary and alternative medicines by patients with chronic obstructive pulmonary disease.
Medical Journal of Australia 2004;181(5):248-251.

Myers SP, Cheras PA.
The other side of the coin: safety of complementary and alternative medicine.
Medical Journal of Australia 2004;181(4):222-225.

Mills E, Montori VM, Wu P, Gallicano K, Clarke M, Guyatt G. Interaction of St John's wort with conventional drugs: systematic review of clinical trials.
British Medical Journal 2004;329:27-30.

Gertsch JH, Basnyat B, Johnson EW, Onopa J, Holck PS. Randomised, double blind, placebo controlled comparison of Ginkgo biloba and acetazolamide for prevention of acute mountain sickness among Himalayan trekkers: the prevention of high altitude illness trial (PHAIT).
British Medical Journal 2004;328:797.

Takwale A, Tan E, Agarwal S et al. Efficacy and tolerability of borage oil in adults and children with atopic eczema: randomised, double blind, placebo controlled, parallel group trial.
British Medical Journal 2003;327:1385.

Taylor JA, Weber W, Standish L, Quinn H, Goesling J, McGann M et al. Efficacy and safety of Echinacea in treating upper respiratory tract infections in children.
JAMA 2003;290:2824-2830

Australian Therapeutic Goods Administration Review of Kava (Piper methysticum)

Charatan F. Ephedra supplement may have contributed to sportman's death.
British Medical Journal 2003;326:464

Whiting PW, Clouston A, Kerlin P.Black cohosh and other herbal remedies associated with acute hepatitis.
Medical Journal of Australia 2002;177:432-435.

Khoury R. International Alert on Kava ( Piper methysticum ) (March 2002)

Editorial. Phytoestrogen therapy for menopausal symptoms?
British Medical Journal 2001;323:354-355.

Dobson R. Combining anticoagulant drugs with herbal medicines is risky, report says.
British Medical Journal 2001;323:1270

Schapowal A. Randomised controlled trial of butterbur and cetrizine for treating seasonal allergic rhinitis.
British Medical Journal 2002;324:144

British Government Warning on Chinese Herbs

Vitex and Premenstrual Syndrome

British Medical Journal Explains Herbal Medicine to Doctors

Chinese Herb and Cancer

Hypericum and Depression Ginkgo and Tinnutis

An Adverse Reaction to Silybum marianum