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. 2013 Nov 25;12:154. doi: 10.1186/1475-2891-12-154

Figure 4.

Figure 4

Joint pain symptom severity assessed bi-weekly using the 12-point Likert visual scale (12-VS) (2 × 5 interaction effect, P = 0.0125). P-values at each time point represent independent student’s t-test contrasts between groups for changes from pre-study.