{{Rsnum
|rsid=18030962
|Chromosome=2
|Orientation=plus
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
|position=11414344
|Assembly=Build_4.0
|GenomeBuild=5.1
|dbSNPBuild=138
}}{{PMID Auto
|PMID=22759724
|Title=Polymorphisms in the melatonin receptor 1B gene and the risk of delirium
}}