Haplotypes at the OPRM1 locus are associated with susceptibility to substance dependence in European-Americans.
American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics 2003 Jul 120B (1): 97-108.
Luo Xingguang, Kranzler Henry R, Zhao Hongyu, Gelernter Jo
Genetic association of GABA-A receptor alpha-2 and mu opioid receptor with cocaine cue-reactivity: evidence for inhibitory synaptic neurotransmission involvement in cocaine dependence.
The American journal on addictions / American Academy of Psychiatrists in Alcoholism and Addictions 0 21 (5): 411-5.
Smelson David, Yu Lei, Buyske Steven, Gonzalez Gerardo, Tischfield Jay, Deutsch Curtis K, Ziedonis Dougl