title: Combined MRI lesions and relapses as a surrogate for disability in multiple sclerosis-Sormani et al., Neurology 77, 2011.
authors: Medical Statistics Department, London School of Hygiene & Tropical Medicine, London WC1E 7HT, UK; NMR Research Unit, Institute of Neurology, University College London, London WC1N 3BG, UK. Electronic address: Daniel.Altmann@lshtm.ac.uk.
authors: Dan R
authors: DR
authors: Altmann