?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Turner&rft.aufirst=RM&rft.au=Turner%2C+RM&rft.issue=3&rft.atitle=The+Impact+of+Study+Size+on+Meta-analyses%3A+Examination+of+Underpowered+Studies+in+Cochrane+Reviews&rft.title=PLoS+ONE&rft.volume=8&rft.issn=1932-6203&rft.date=27+March+2013&rft.genre=article