@book{129934,
	author = {Chernick, Michael R. and ebrary, Inc.},
	title = {The essentials of biostatistics for physicians, nurses, and clinicians},
	publisher = {John Wiley & Sons,},
	year = {c2011.},
	address = {Hoboken, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10494657}
}