@article {9515,
	title = {Neutralising antibodies to interferon beta during the treatment of multiple sclerosis},
	journal = {Journal of Neurology, Neurosurgery and Psychiatry},
	volume = {74},
	year = {2003},
	pages = {1162},
	type = {Letter},
	author = {Polman, C.H. and Kappos, L. and Petkau, J. and Thompson, A.}
}
