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Table 3 Research design

From: AcuTrials®: an online database of randomized controlled trials and systematic reviews of acupuncture

1. Acu Versus Active Control

7. Acu Versus > 1 Control

2. Acu Versus Acu

8. Acu Versus Usual Care

3. Acu Versus Attention Control

8a. Acu + Usual Care Versus Sham + Usual Care

4. Acu Versus No Treatment

8b. Acu + Usual Care Versus Usual Care

5. Acu Versus Sham

8c. Acu Versus Sham + Usual Care

6. Acu Versus Wait List

8d. Acu + Usual Care Versus > 1 Control