Perez de los Cobos, Jose Allelic and genotypic associations of DRD2 TaqI A polymorphism with heroin dependence in Spanish subjects: a case control study. [electronic resource] - Behavioral and brain functions : BBF Jun 2007 - 25 p. digital Publication Type: Journal Article ISSN: 1744-9081 Standard No.: 10.1186/1744-9081-3-25 doi