Columbia subject headings:
Communicable diseases--Venezuela--Statistics--Periodicals.
Venezuela--Statistics, Medical--Periodicals.
Venezuela--Statistics, Vital--Periodicals.
Harvard subject headings:
Communicable diseases--Venezuela--Statistics--Periodicals.
Venezuela--Statistics, Medical--Periodicals.
Venezuela--Statistics, Vital--Periodicals.
Princeton subject headings:
Communicable diseases--Venezuela--Statistics--Periodicals.
Periodicals.
Venezuela--Statistics, Medical--Periodicals.
Venezuela--Statistics, Vital--Periodicals.