@book{215314,
	author = {Cohen, Wayne R. and Friedman, Emanuel A., and ebrary, Inc.},
	title = {Labor and delivery care},
	publisher = {Wiley-Blackwell,},
	year = {2011.},
	address = {Chichester, West Sussex :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10503052}
}