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Vrenken, H., J.J.G Geurts, D.L Knol, C.H Polman, J.A Castelijns, P.J.W Pouwels, ja F. Barkhof. "Normal-Appearing White Matter Changes Vary With Distance to Lesions in Multiple Sclerosis." AJNR Am J Neuroradiol 2006.

Vrenken, H., et al. "Normal-Appearing White Matter Changes Vary With Distance to Lesions in Multiple Sclerosis." AJNR Am J Neuroradiol 2006.