Combined MRI lesions and relapses as a surrogate for disability in multiple sclerosis.

Sormani M, Li DK, Bruzzi P, Stubinski B, Cornelisse P, Rocak S, De Stefano N

Neurology. 2011 Nov 1; 77(18):1684-90. Epub 2011 Oct 05. PMID: 21975200. Abstract