Bibliography

Filters: Keyword is Controlled Clinical Trials as Topic  [Clear All Filters]
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Dickersin K, Manheimer E, Wieland S, Robinson KA, Lefebvre C, McDonald S. "Development of the Cochrane Collaboration's CENTRAL Register of controlled clinical trials." Eval Health Prof. 2002;25(1):38-64. Abstract
van Driel ML, De Sutter A, De Maeseneer J, Christiaens T. "Searching for unpublished trials in Cochrane reviews may not be worth the effort." J Clin Epidemiol. 2009;62(8):838-844.e3. Abstract