Acupuncture in patients with tension-type headache: randomised controlled trial.

Acupuncture for chronic headache in primary care: large, pragmatic, randomised trial.

Adverse events following acupuncture: prospective survey of 32 000 consultations with doctors and physiotherapists.

Document describing the use of acupuncture in Western medicine.

Objective is to evaluate the - efficacy of Chinese acupuncture in treating postoperative oral surgery pain; - validity of a placebo-controlled procedure; - effects of psychological factors on outcomes.