Biochemical estimations The concentrations of nicotine, cotinine and epinephrine in urine samples were estimated by HPLC method
Because of wider NHIS-derived confidence intervals for never smokers mortality rates among people with SPD, their life expectancy estimates varied more than those of other subpopulations in sensitivity analysis
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The holidays (Thanksgiving, Christmas, New Years) have forever been the annual launch-pad for cold and flu seasons
EXPOSURE TO CIGARETTE SMOKE Cigarette smoking is still common, despite well-publicized adverse consequences on health (reviewed in Sherman, 1991)
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