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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Manipulative Physiol Ther. 2011 Jun 24;34(6):356–361. doi: 10.1016/j.jmpt.2011.05.007

Figure 1.

Figure 1

Two-Stage Hypothesis Testing of USC for Back Pain: Sample sizes, Hypothesis tests, and Results.