@book{32402,
	author = {Whitley, Blake L. and ebrary, Inc.},
	title = {Tryptophan},
	publisher = {Nova Science Publishers,},
	year = {c2012.},
	series = {Human anatomy and physiology},
	address = {Hauppauge, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10683120}
}