@book{10116,
	author = {Avery, Melissa D. and ebrary, Inc.},
	title = {Supporting a physiologic approach to pregnancy and birth},
	publisher = {Wiley-Blackwell,},
	year = {2013.},
	address = {Ames, Iowa :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10692104}
}