@book{12156,
	author = {Gonzalez, R. G. and Gonzl̀ez, R. G.},
	title = {Acute ischemic stroke :},
	publisher = {Springer,},
	year = {2006},
	address = {Berlin :},
	url = {http://www.loc.gov/catdir/enhancements/fy0663/2005928382-d.html}
}