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. 2013 Apr 5;13:107. doi: 10.1186/1471-244X-13-107

Table 4.

Linkage disequilibrium test between four OPRM1 gene polymorphisms

SNP1 SNP2 Physical distance(bp) r2
rs1799971
rs2075572
51207
0.02
rs1799971
rs648893
77832
0
rs1799971
rs671531
79945
0.02
rs2075572
rs648893
26625
0.18
rs2075572
rs671531
28738
0.3
rs648893 rs671531 2113 0.32