12, 95% CI = −0.08 to 0.37, Q (6) = 12.16, P = 0.06, I 2 = 50.78%, was found, indicating a small positive effect with moderate, marginally significant heterogeneity (Fig. 5 ).
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Placebo effects on cutaneous pain and itch: a systematic review and meta-analysis of experimental results and methodology.
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