@book{80381,
	author = {Norman, Geoffrey R. and Streiner, David L. and ebrary, Inc.},
	title = {Biostatistics},
	publisher = {B.C. Decker,},
	year = {c2008.},
	address = {Hamilton, Ont. :},
	edition = {3rd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10409641}
}