@book{210332,
	author = {Berghella, Vincenzo. and ebrary, Inc.},
	title = {Preterm birth},
	publisher = {Wiley-Blackwell,},
	year = {2010.},
	address = {Chichester, West Sussex ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10361281}
}