Columbia subject headings:
Public health--United States.
SARS (Disease)--Prevention--Government policy--United States.
SARS (Disease)--Research--United States.
Harvard subject headings:
Public health--United States
SARS (Disease)--Prevention--Government policy--United States.
SARS (Disease)--Research--United States.
Princeton subject headings:
Public health--United States.
SARS (Disease)--Prevention--Government policy--United States.
SARS (Disease)--Research--United States.