Smoking, Alzheimer's disease, and confounding with genes.
Smith
C J
CJ
Lippiello
P M
PM
Ashford
J W
JW
D000544:Alzheimer Disease / Q000235:genetics*; D004200:Diseases in Twins; D006801:Humans; D012907:Smoking / Q000235:genetics*; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic