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Placebo effects in trials evaluating 12 selected minimally invasive interventions: a systematic review and meta-analysis
Holtedahl, R., Brox, J. I., Tjomsland, O.Volume:
5
Language:
english
Journal:
BMJ Open
DOI:
10.1136/bmjopen-2014-007331
Date:
January, 2015
File:
PDF, 3.82 MB
english, 2015