| Predicate | Object |
|---|---|
| rdf:type | |
| entrezgene:geneRifText |
Associations between 3 single nucleotide polymorphisms (SNPs) MA dependence, catechol-O-methyltransferase (COMT) Val158Met, brain-derived neurotrophic factor (BDNF) Val66Met, and the mu opioid receptor (OPRM1) Asn40Asp polymorphisms.
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