Columbia subject headings:
Harvard subject headings:
Cancer invasiveness.
Persian Gulf War, 1991--Health aspects--United States
Persian Gulf War, 1991--Veterans--Diseases--United States
Persian Gulf War, 1991--Veterans--Medical care--United States
Persian Gulf syndrome.
Tumors.
Princeton subject headings:
Cancer invasiveness.
Persian Gulf War, 1991--Health aspects--United States.
Persian Gulf War, 1991--Veterans--Diseases--United States.
Persian Gulf War, 1991--Veterans--Medical care--United States.
Persian Gulf syndrome.