. . . . . . . . . . . . "[Using a polymerase chain reaction-based technique, the allele and genotype frequencies of three polymorphisms in the serotonin transporter gene (a deletion/insertion polymorphism in the transcriptional control region and a variable number of tandem repeats in intron 2) and TPH gene (A218C in intron 7) were analyzed in 138 patients with GAD and 90 healthy controls.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2013-07-06"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:32:27+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .