Extent of smoking and nicotine dependence in the United States: 1991-1993
Published:
Authors:
Kandel, Denise B., Chen, Kevin
Type:
Journal Article
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.