[PMID 18482426] 1050 nicotine-dependent cases and 879 non-dependent smoking controls rs279858 and rs16859834 aka rs2229940
[PMID 21422964] Gamma-aminobutyric acid GABRA4, GABRE, and GABRQ receptor polymorphisms and risk for essential tremor
[PMID 15024690] Variations in GABRA2, encoding the alpha 2 subunit of the GABA(A) receptor, are associated with alcohol dependence and with brain oscillations.
[PMID 16770606] Investigation of autism and GABA receptor subunit genes in multiple ethnic groups.
[PMID 19207358] Further evidence for an association between the gamma-aminobutyric acid receptor A, subunit 4 genes on chromosome 4 and Fagerstrom Test for Nicotine Dependence.