Smoking, Alzheimer's disease, and confounding with genes.
Plassman
B L
BL
Helms
M J
MJ
Welsh
K A
KA
Saunders
A M
AM
Breitner
J C
JC
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
D001057:Apolipoproteins E