Title : Multiple distinct CHRNB3-CHRNA6 variants are genetic risk factors for nicotine dependence in African Americans and European Americans - Culverhouse_2014_Addiction_109_814
Title : The CHRNA5-CHRNA3-CHRNB4 nicotinic receptor subunit gene cluster affects risk for nicotine dependence in African-Americans and in European-Americans - Saccone_2009_Cancer.Res_69_6848