1. 1. JM Last ,A dictionary of epidemiology.New York: Oxford University Press, 1983.
2. 2. CJL Murray, and AD Lopez ,The global burden of disease. Cambridge, MA: Harvard University Press, 1996.
3. Genetic linkage and complex diseases, with special reference to psychiatric disorders
4. 4. J. SnowOn the mode of communication of cholera. London, Churchill. 2nd edn, 1855.
5. The Prevention of Pellagra: A Test of Diet among Institutional Inmates