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Letter

Nature Genetics 38, 659–662 (1 June 2006) | doi:10.1038/ng1801

Evaluating coverage of genome-wide association studies

Jeffrey C Barrett & Lon R Cardon

Genome-wide association studies involving hundreds of thousands of SNPs in thousands of cases and controls are now underway. The first of many analytical challenges in these studies involves the choice of SNPs to genotype.