1. U.S. Department of Health and Human Services: The Health Consequences of Smoking: Nicotine Addiction. A Report of the Surgeon General, DHHS Publication No. (CDC) 88-8406. Washington, DC: U.S. Government Printing Office, 1988.
2. Smoking, body weight, and their effects on smoking behavior: A comprehensive review of the literature.
3. Kardasevitch, BI, Khais, LM: The histological changes in the respiratory apparatus of guinea-pigs under the influence of nicotine inhalations in manufacturies. Zhurnal Ushnykh Nosovykh, i Gorlovykh Boleznei. 1940, 17:237-241.
4. Different effects of chronic nicotine treatment regimens on body weight and tolerance in the rat