Columbia subject headings:
Harvard subject headings:
Epidemiologists--Portugal--Biography.
Jorge, Ricardo d'Almeida, 1858-1939
Medicine--Portugal--History--19th century.
Medicine--Portugal--History--20th century.
Public health--Portugal--History--19th century.
Public health--Portugal--History--20th century.
Princeton subject headings:
Jorge, Ricardo d'Almeida, 1858-1939.
Medicine--Portugal--History--19th century.
Medicine--Portugal--History--20th century.
Public health--Portugal--History--19th century.
Public health--Portugal--History--20th century.