Columbia subject headings:
AIDS (Disease)--Transmission--Central America.
AIDS (Disease)--Transmission--Mexico.
Immigrants--Diseases--Central America.
Immigrants--Diseases--Mexico.
Harvard subject headings:
AIDS (Disease)--Transmission--Central America.
AIDS (Disease)--Transmission--Mexico.
Immigrants--Diseases--Central America.
Immigrants--Diseases--Mexico.
Princeton subject headings:
AIDS (Disease)--Transmission--Central America.
AIDS (Disease)--Transmission--Mexico.
Immigrants--Diseases--Central America.
Immigrants--Diseases--Mexico.