Columbia subject headings:
Harvard subject headings:
Post-traumatic stress disorder--United States
Veterans--United States--Psychology.
Vietnam War, 1961-1975--Psychological aspects
Vietnam War, 1961-1975--United States
Princeton subject headings:
Post-traumatic stress disorder--United States.
Veterans--United States--Psychology.
Vietnam War, 1961-1975--Psychological aspects.
Vietnam War, 1961-1975--United States.