@book{14207,
	author = {Wang, Jung-Der. and ebrary, Inc.},
	title = {Basic principles and practical applications in epidemiological research},
	publisher = {World Scientific,},
	year = {c2002.},
	series = {Quantitative sciences on biology and medicine ;},
	address = {Singapore ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10255433}
}