title: Response to Kaufman and Harper letter.
authors.forename: Li-Shiun
authors.initials: LS
authors.lastname: Chen
authors.forename: Timothy B
authors.initials: TB
authors.lastname: Baker
authors.forename: Laura J
authors.initials: LJ
authors.lastname: Bierut
mesh_terms: D006239:Haplotypes; D006801:Humans; D009419:Nerve Tissue Proteins / Q000235:genetics*; D016017:Odds Ratio; D016016:Proportional Hazards Models; D016540:Smoking Cessation; D014029:Tobacco Use Disorder
chemical_list: D009419:Nerve Tissue Proteins