Are treatments more effective than placebos? A systematic review and meta-analysis.
<p><strong>Background.</strong> Placebos are widely used in clinical practice in spite of ethical restrictions. Whether such use is justified depends in part on the relative benefit of placebos compared to ‘active’ treatments. A direct test for differences between placebo and ‘acti...
| Hlavní autoři: | , , , , , , , , |
|---|---|
| Médium: | Journal article |
| Jazyk: | English |
| Vydáno: |
Public Library of Science
2013
|