Columbia subject headings:
Cancer--Illinois--Chicago--Statistics.
Cerebrovascular disease--Illinois--Chicago--Statistics.
Chicago (Ill.)--Statistics, Medical.
Heart--Diseases--Illinois--Chicago--Statistics.
Harvard subject headings:
Cancer--Illinois--Chicago--Statistics.
Cerebrovascular disease--Illinois--Chicago--Statistics.
Chicago (Ill.)--Statistics, Medical.
Heart--Diseases--Illinois--Chicago--Statistics.
Statistics.
Princeton subject headings:
Cancer--Illinois--Chicago--Statistics.
Cerebrovascular disease--Illinois--Chicago--Statistics.
Chicago (Ill.)--Statistics, Medical.
Heart--Diseases--Illinois--Chicago--Statistics.