@article {9516,
	title = {Neutralising antibodies during treatment of secondary progressive multiple sclerosis with interferon beta-1b},
	journal = {Neurology},
	volume = {61},
	year = {2003},
	pages = {1025},
	type = {Letter},
	author = {Polman, C. and Kappos, L. and White, R. and Dahlke, F. and Beckmann, K. and Pozzilli, C. and Thompson, A. and Petkau, J. and Miller, D.}
}
