@book{149501,
	author = {Norwitz, Errol R. and Schorge, John O. and ebrary, Inc.},
	title = {Obstetrics and gynecology at a glance},
	publisher = {John Wiley & Sons, Ltd.,},
	year = {2013.},
	series = {At a glance},
	address = {Chichester, West Sussex, UK :},
	edition = {4th ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10740158}
}