title: Smoking, Alzheimer's disease, and confounding with genes.
authors.forename: B L
authors.initials: BL
authors.lastname: Plassman
authors.forename: M J
authors.initials: MJ
authors.lastname: Helms
authors.forename: K A
authors.initials: KA
authors.lastname: Welsh
authors.forename: A M
authors.initials: AM
authors.lastname: Saunders
authors.forename: J C
authors.initials: JC
authors.lastname: Breitner
mesh_terms: D000483:Alleles; D000544:Alzheimer Disease / Q000235:genetics*; D001057:Apolipoproteins E / Q000235:genetics; D015986:Confounding Factors, Epidemiologic; D005838:Genotype; D006801:Humans; D016017:Odds Ratio; D012907:Smoking / Q000235:genetics*; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic
chemical_list: D001057:Apolipoproteins E