Placebo surgery research: A blinding imperative
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PII: S0895-4356(06)00114-4
doi:10.1016/j.jclinepi.2006.03.001
© 2006 Elsevier Inc. All rights reserved.
PII: S0895-4356(06)00114-4
doi:10.1016/j.jclinepi.2006.03.001
© 2006 Elsevier Inc. All rights reserved.