Primary progressive multiple sclerosis.
Thompson AJ, Polman CH, Miller DH, McDonald WI, Brochet B, Filippi M Montalban X, De Sá J.
Thompson AJ, et al. Among authors: miller dh.
Brain. 1997 Jun;120 ( Pt 6):1085-96. doi: 10.1093/brain/120.6.1085.
Brain. 1997.
PMID: 9217691
Review.