@book{133681,
	author = {Park, Kinam. and Shalaby, Waleed S. W.},
	title = {Biodegradable hydrogels for drug delivery /},
	publisher = {Technomic Pub.,},
	year = {c1993.},
	address = {Lancaster, PA :},
	url = {http://www.loc.gov/catdir/enhancements/fy0729/93060193-d.html}
}