Common and Rare Variants Genetic Association Analysis of Cigarettes per Day Among Ever-Smokers in Chronic Obstructive Pulmonary Disease Cases and Controls.
Lutz SM, Frederiksen B, Begum F, McDonald MN, Cho MH, Hobbs BD, Parker MM, DeMeo DL, Hersh CP, Ehringer MA, et al. Nicotine Tob Res. 2019 May 21; 21(6):714-722.