Do Certain Countries Produce Only Positive Results? A Systematic Review of Controlled Trials
- 1 April 1998
- journal article
- research article
- Published by Elsevier in Controlled Clinical Trials
- Vol. 19 (2) , 159-166
- https://doi.org/10.1016/s0197-2456(97)00150-5
Abstract
No abstract availableKeywords
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