Figure 2From: A colorectal cancer genome-wide association study in a Spanish cohort identifies two variants associated with colorectal cancer risk at 1p33 and 8p12PCA analysis on the WTCCC (Affymetrix 6.0 data), HapMap3 CEU and TSI and EPICOLON populations. A set of 15 000 independent markers was used to perform the analysis. The first eigenvector separates the Northern and Southern European populations.Back to article page