@article {harrison,
	title = {Longitudinal changes in diffusion-tensor-based quantitative MRI in multiple sclerosis},
	journal = {Neurology, PMCID: PMC3030233},
	volume = {76},
	year = {2011},
	pages = {179{\textendash}186},
	author = {Harrison, D and Caffo, B and Shiee, N and Farrell, J Bazin, P and Farrell, S and Ratchford, J and Calabresi, P and Reich, D.}
}
