@book{9591,
	author = {Nicholson, Richard. and ebrary, Inc.},
	title = {The placenta},
	publisher = {Nova Science Publishers, Inc.,},
	year = {2013.},
	series = {Pregnancy and infants : medical, psychological and social issues},
	address = {Hauppauge, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10693655}
}