@book{63096,
	author = {Evans, Charles H. and ebrary, Inc.},
	title = {Small clinical trials},
	publisher = {National Academy Press,},
	year = {c2001.},
	series = {Compass series},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10032465}
}