Fig. 2From: Association between polymorphisms in the GRIN1 gene 5′ regulatory region and schizophrenia in a northern Han Chinese population and haplotype effects on protein expression in vitroLinkage disequilibrium diagram of seven SNP loci in the GRIN1 gene. Left is D’ in the control group, and the red grid represents D’ = 1. Right is r2 in the control group, and the black grid represents r2 = 1Back to article page