@article{30ce80179adb42ab9a86128fc92640d1,
title = "Interferon-beta bioactivity measurement in multiple sclerosis: feasibility for routine clinical practice",
author = "\{van der Voort\}, L.F. and A. Kok and A. Visser and C.B.M. Oudejans and M. Caldano and F. Gilli and A. Bertolotto and C.H. Polman and J. Killestein",
year = "2009",
doi = "10.1177/1352458508096877",
language = "Undefined/Unknown",
volume = "15",
pages = "212--218",
journal = "Multiple Sclerosis",
issn = "1352-4585",
publisher = "SAGE Publications Ltd",
number = "2",
}