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Abstract
• An oral inhalation system for exposing rabbits to cigarette smoke has been developed. The essential components of the system comprise a smoke delivery device that adapts to the oral cavity, a molded face mask, and a sealable body enclosure.
The functional capability of the system has been validated by detecting the presence of nicotine in plasma and by measuring the deposition of dotriacontane labeled with radioactive carbon (14C) in lungs after exposure to cigarette smoke.