Columbia subject headings:
Health education--Mexico--History--19th century.
Health education--Mexico--History--20th century.
Public health--Mexico--History--19th century.
Public health--Mexico--History--20th century.
Harvard subject headings:
Communicable diseases--Mexico--Prevention--History.
Health education--Mexico--History.
Medicine, Preventive--Mexico--History.
Physicians--Mexico--Public opinion--History.
Public health--Social aspects--Mexico--History.
Princeton subject headings:
Health education--Mexico--History--19th century.
Health education--Mexico--History--20th century.
Public health--Mexico--History--19th century.
Public health--Mexico--History--20th century.