{{Rsnum
|rsid=11575461
|Gene=DDC
|Chromosome=7
|position=50479485
|Orientation=minus
|GMAF=0.4812
|Gene_s=DDC
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{PMID Auto
|PMID=22309839
|Title=Association study of 45 candidate genes in nicotine dependence in Han Chinese
}}