@book{64286,
	author = {Harrison, Polly F. and ebrary, Inc.},
	title = {Contraceptive research, introduction, and use},
	publisher = {National Academy Press,},
	year = {1998.},
	address = {Washington, D.C. :},
	note = {Based on a workshop held in April 1997.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10055586}
}