{{Rsnum
|rsid=4341581
|Gene=TPH2
|Chromosome=12
|position=71941293
|Orientation=plus
|GMAF=0.01882
|Gene_s=TPH2
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
}}{{PMID Auto
|PMID=24458851
|Title=Tryptophan hydroxylase 2 gene polymorphisms in Japanese patients with medication overuse headaches
}}{{PMID Auto
|PMID=16958027
|Title=Family-based association study of TPH1 and TPH2 polymorphisms in autism.
}}