Columbia subject headings:
Smoking--Periodicals.
Tobacco--Physiological effect--Periodicals.
Tobacco--Toxicology--United States--Periodicals.
Harvard subject headings:
Smoking--Periodicals.
Tobacco--Physiological effect--Periodicals.
Tobacco--Toxicology--United States--Periodicals.
Princeton subject headings:
Smoking--Periodicals.
Tobacco--Physiological effect--Periodicals.