@book{47143,
	author = {Gelijns, Annetine. and Institute of Medicine (U.S.).},
	title = {Modern methods of clinical investigation},
	publisher = {National Academy Press,},
	year = {1990.},
	series = {Medical innovation at the crossroads ;},
	address = {Washington, D.C. :},
	note = {Proceedings of a workshop held on May 3-4, 1989, supported by the Howard Hughes Medical Institute and the National Center for Health Services Research of the Department of Health and Human Services (grant 5 RO9 HS055 26 02).},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10062761}
}