Columbia subject headings:
Harvard subject headings:
Disaster hospitals--Congresses.
Disaster medicine--Congresses.
Disaster relief--Congresses
Emergency management--Congresses
Emergency medicine--Congresses.
Princeton subject headings:
Disaster hospitals--Congresses.
Disaster medicine--Congresses.
Disaster relief--Congresses.
Emergency management--Congresses.
Emergency medicine--Congresses.