Intake of Flavonoids, Carotenoids,Vitamins C and E, and Risk of Stroke in Male Smokers
Stroke 31:2301-2306, Hirvonen,T.,et al, 2000
Smoking and Risk of Dementia and Alzheimer's Disease in a Population-Based Cohort Study:The Rotterdam Study
lancet 351:1840-1843, Ott,A.,et al, 1998