Columbia subject headings:
Agent Orange--Statistics--Epidemiology.
Cancer--United States.
Lymphomas--Epidemiology.
Veterans--Carcinogenicity.
Vietnam War, 1961-1975--Veterans--United States--Diseases.
Harvard subject headings:
Princeton subject headings:
Agent Orange--Carcinogenicity.
Cancer--Epidemiology.
Lymphomas--Epidemiology.
Statistics.
Veterans--Diseases--United States--Statistics.
Vietnam War, 1961-1975--Veterans--Diseases--United States.