@book{130599,
	author = {Olsen, LeighAnne. and Grossmann, Claudia. and ebrary, Inc.},
	title = {Learning what works},
	publisher = {National Academies Press,},
	year = {2011.},
	series = {The learning health system series},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10495457}
}