Columbia subject headings:
Biological warfare--United States--Safety measures.
Bioterrorism--United States--Prevention.
Medical emergencies--United States--Planning.
National security--United States--Planning.
Harvard subject headings:
Biological warfare--United States--Safety measures
Bioterrorism--United States--Prevention
Medical emergencies--United States--Planning.
National security--United States--Planning.
Princeton subject headings:
Biological warfare--United States--Safety measures.
Bioterrorism--United States--Prevention.
Medical emergencies--United States--Planning.
National security--United States--Planning.