Columbia subject headings:
Cartography--Automation--Congresses.
Cartography--Data processing--Congresses.
Epidemics--Statistical methods--Data processing.
Epidemics--United States--Maps--Data processing.
Epidemiology--Maps--Data processing--Congresses.
Epidemiology--Research--Congresses.
Harvard subject headings:
Cartography--Data processing--Congresses
Epidemiology--Methodology--Congresses.
Medical geography--Maps--Data processing--Congresses.
Medical geography--United States--Maps--Data processing--Congresses.
Princeton subject headings:
Cartography--Data processing--Congresses.
Epidemiology--Methodology--Congresses.
Medical geography--Maps--Data processing--Congresses.
Medical geography--United States--Maps--Data processing--Congresses.