Imputation of variants from the 1000 Genomes Project modestly improves known associations and can identify low-frequency variant-phenotype associations undetected by HapMap based imputation.
Plos One
Wood, Andrew R AR; Perry, John R B JR; Tanaka, Toshiko T; Hernandez, Dena G DG; Zheng, Hou-Feng HF; Melzer, David D; Gibbs, J Raphael JR; Nalls, Michael A MA; Weedon, Michael N MN; Spector, Tim D TD; Richards, J Brent JB; Bandinelli, Stefania S; Ferrucci, Luigi L; Singleton, Andrew B AB; Frayling, Timothy M TM