Fig. 1From: Genetic variants of interleukin 1B and 6 are associated with clinical outcome of surgically treated lumbar degenerative disc diseaseLinkage disequilibrium (LD) map of IL1B (A) and IL6 (B) SNPs. Squares are colored darker if the |D’| value is high, that is, LD is strong. Empty dark squares mean |D’|=1, that is, complete LD between two single nucleotide polymorphismsBack to article page