Columbia subject headings:
Epidemiology--Congresses.
Rabies vaccines--Congresses.
Rabies--Tropics--Congresses.
Rabies--Tropics--Prevention--Congresses.
Rabies--Vaccination--Congresses.
Harvard subject headings:
Epidemiology--Congresses
Rabies vaccines--Congresses.
Rabies--Tropics--Congresses.
Rabies--Tropics--Prevention--Congresses.
Rabies--Vaccination--Congresses.
Princeton subject headings: