@book{34857,
	author = {Chasin, Mark.},
	title = {Biodegradable polymers as drug delivery systems /},
	publisher = {M. Dekker,},
	year = {c1990.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0647/90003908-d.html}
}