Primary and transitional progressive MS: a clinical and MRI cross-sectional study.
Stevenson VL, Miller DH, Rovaris M, Barkhof F, Brochet B, Dousset V, Dousset V, Filippi M, Montalban X, Polman CH, Rovira A, de Sa J, Thompson AJ.
Stevenson VL, et al. Among authors: barkhof f.
Neurology. 1999 Mar 10;52(4):839-45. doi: 10.1212/wnl.52.4.839.
Neurology. 1999.
PMID: 10078736