@article {15517,
	title = {Synthesis and characterization of pH-sensitive thiol-containing chitosan beads for controlled drug delivery applications},
	journal = {Drug Delivery},
	volume = {14},
	year = {2007},
	month = {2008-11-05},
	pages = {9-17},
	author = {Jayakumar, R. and Reis, R. L. and Mano, J. F.}
}
