@book{8160,
	author = {Kleinbaum, David G. and Sullivan, Kevin M.},
	title = {A pocket guide to epidemiology /},
	publisher = {Springer,},
	year = {c2007.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/fy0707/2006933294.html}
}