An official website of the United States government
The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
npyr reference sequences Transcript (7)Protein (7)
Environmental Tobacco Smoke: Measuring Exposures and Assessing Health Effects.
National Research Council (US) Committee on Passive Smoking.
Washington (DC): National Academies Press (US); 1986.
Table of contents
The Physicochemical Nature of Sidestream Smoke Environmental Tobacco Smoke.
Your browsing activity is empty.
Activity recording is turned off.
Turn recording back on