Parental smoke exposure and the development of nicotine craving in adolescent novice smokers: the roles of DRD2, DRD4, and OPRM1 genotypes.
Kleinjan M, Engels RC, DiFranza JR. Parental smoke exposure and the development of nicotine craving in adolescent novice smokers: the roles of DRD2, DRD4, and OPRM1 genotypes. BMC Pulm Med. 2015 Oct 08; 15:115.