@book{156267,
	author = {Dean, Andrew G. and Dean, Jeffrey A. and Centers for Disease Control U.S.},
	title = {Epi info, version 5.01},
	publisher = {U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control},
	year = {1990.},
	address = {Atlanta, Ga.},
	edition = {Rev. Dec. 1990.},
	note = {Cover title: Epi info, version 5, a word processing, database, and statistics system for epidemiology on microcomputers.}
}