Columbia subject headings:
Nicotine addiction--Treatment--United States.
Smoking cessation--United States.
Smoking--United States--Prevention.
Harvard subject headings:
Nicotine addiction--Treatment--United States.
Smoking cessation--United States.
Smoking--United States--Prevention
Princeton subject headings:
Nicotine addiction--Treatment--United States.
Smoking cessation--United States.
Smoking--United States--Prevention.