RT Journal Article SR Electronic T1 NICOTINE IN BLOOD IN RELATION TO SMOKING JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 145 OP 148 VO 95 IS 2 A1 William A. Wolff A1 Marina A. Hawkins A1 W. E. Giles YR 1949 UL http://jpet.aspetjournals.org/content/95/2/145.abstract AB Nicotine levels in the blood of smokers have been determined by a chemical method. Subjects who inhale deeply tend to show higher concentrations than do slight inhalers. Nicotine isolated from smokers' blood gave the expected effect on the blood pressure of a cat.