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1 Department of Pharmacology, Medical College of Virginia, Richmond
1. Water deprivation was found to increase the tolerance of mice and rabbits to intraperitoneally injected nicotine, but not to intravenously injected nicotine. Water deprivation in rats for similar periods did not alter their susceptibility to intraperitoneally injected nicotine.
2. Damage of the liver by exposure to carbon tetrachloride decreased the tolerance of mice to intraperitoneally administered nicotine.
3. The rate of administration of nicotine markedly affects its toxicity.
Submitted on September 28, 1945