@book{37482,
	author = {Bowers, David, and ebrary, Inc.},
	title = {Medical statistics from scratch},
	publisher = {John Wiley & Sons,},
	year = {c2008.},
	address = {Chichester, England ;},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10232574}
}