@article {16194,
	title = {Surface charge of PE modified with sulfonic functional groups in simulated body fluid},
	booktitle = {17th International Symposium on Ceramics in Medicine - Bioceramics 17},
	year = {2004},
	month = {2007-03-19},
	author = {Leonor, I. B. and Balas, F. and Kim, H. - M. and Reis, R. L. and Kokubo, T. and Nakamura, T.}
}
