The placebo effect revisited
- PMID: 22811978
The placebo effect revisited
Comment on
-
Effect of brief daily exercise on headache among adults--secondary analysis of a randomized controlled trial.Scand J Work Environ Health. 2011 Nov;37(6):547-50. doi: 10.5271/sjweh.3170. Epub 2011 May 26. Scand J Work Environ Health. 2011. PMID: 21617837 Clinical Trial.