@book{39417,
	author = {Fowler, Jim, and Jarvis, Phil. and ebrary, Inc.},
	title = {Practical statistics for nursing and health care},
	publisher = {John Wiley & Sons,},
	year = {c2002.},
	address = {Chichester, West Sussex, U.K.  :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10722565}
}