Placebo response and effect in randomized clinical trials: meta-research with focus on contextual effects.
Sigurlaug Hanna HafliðadóttirCarsten B JuhlSabrina M NielsenMarius HenriksenIan A HarrisHenning BliddalRobin ChristensenPublished in: Trials (2021)
PROSPERO CRD42019130257 . Registered on April 19, 2019.
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