A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses. Syst Rev. 2013 May 2;2(1):24. [Epub ahead of print] PMID: 23634657
A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses. Syst Rev. 2013 May 2;2(1):24. [Epub ahead of print] PMID: 23634657