Figure 1.

Maximum post-operative pain ratings and SNPs from COMT and MAOA. COMT: catechol O-methylatransferase gene MAOA: monoamine oxidase A gene, females only *, p < 0.05 **, p < 0.01

Kim et al. Molecular Pain 2006 2:24   doi:10.1186/1744-8069-2-24
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