[Long forms of the DRD4 VNTR are more frequent in substance abusers, but there is no interaction with previously published data on these individuals analyzing the COMT gene. There is no difference in DRD3 allele frequencies in these samples. ]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine.
Gene-disease associations inferred from text-mining the literature.
DisGeNET evidence - LITERATURE