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Influence of Control Group on Effect Size in Trials of Acupuncture for Chronic Pain: A Secondary Analysis of an Individual Patient Data Meta-Analysis
MacPherson H,
Vertosick E,
Lewith G,
Linde K,
Sherman KJ,
et al.
(2014)
Influence of Control Group on Effect Size in Trials of Acupuncture for Chronic Pain: A Secondary Analysis of an Individual Patient Data Meta-Analysis.
PLOS ONE 9(4): e93739.
https://doi.org/10.1371/journal.pone.0093739