%0 Journal Article %T Strategies to improve retention in randomised trials %A Brueton, Valerie C %A Tierney, Jayne %A Stenning, Sally %A Harding, Seeromanie %A Meredith, Sarah %A Nazareth, Irwin %A Rait, Greta %J Cochrane Database of Systematic Reviews %V %N 12 %P 1-126 %@ 1465-1858 %D 2013-12-03 %I John Wiley & Sons, Ltd %~ DeepDyve