(1) Fenner F,
Henderson DA, Arita I, Jezek Z, Ladnyi ID. Smallpox and its
Eradication. Geneva, Switzerland: World Health Organization;
1988.
(2) Fontaine
RE, Goodman RA. Describing the Findings. In: Gregg MB (Ed.) Field
Epidemiology, 2nd ed. 2002, Oxford University Press,
New York.
(3) Snow, J.
On the Mode of Communication of Cholera, 2nd Edition
London, England, 1855.
(4) West, RW and Ogden, RT.
Interactive Demonstrations for Statistics Education on the Worldwide
Web; Histogram Applet. Available at:
http://www.amstat.org/publications/jse/v6n3/applets/histogram.html.
Accessed November 5, 2003.
(5)
Principles of Epidemiology: An Introduction to Applied
Epidemiology and Biostatistics, Second Edition. Atlanta,
Georgia: CDC,1992; 363-368
(6) Chin, J. Control of
Communicable Disease Manual, 17th Edition. Washington,
D.C. American Public Health Association, 2000.
(7) Centers
for Disease Control. Measles-Missouri and Illinois. 1994. MMWR
1984:43(25):463-465.
