Trials
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Randomized Controlled Trial
The long-term effect of acupuncture for patients with chronic tension-type headache: study protocol for a randomized controlled trial.
The effectiveness of acupuncture for patients with chronic tension-type headache (CTTH) is controversial. In this article, we report the protocol for a randomized controlled trial aiming to evaluate the long-term effect of acupuncture for CTTH, in comparison with superficial acupuncture. ⋯ Results from this trial will provide evidence for the long-term effect of acupuncture for CTTH with a long follow-up period.