@book{1727,
	author = {Halliwell, Barry. and Gutteridge, John M. C.},
	title = {Free radicals in biology and medicine /},
	publisher = {Clarendon Press ;},
	year = {1989.},
	address = {Oxford :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0638/89003131-d.html}
}