PND18 - PROGRESSION OF DISABILITY IN PRIMARY PROGRESSIVE MULTIPLE SCLEROSIS- A RETROSPECTIVE COHORT STUDY USING DATA FROM THE MSBASE REGISTRY AND A CONTEXTUALISATION WITH AN EXISTING NATURAL HISTORY DATASET
Abstract
Authors
GS Jhuti R Freitas I Bennett H Butzkueven G Izquierdo S Eichau E Havrdova D Horakova P Duquette A Prat M Girard F Grand'Maison R Hupperts A Lugaresi M Onofrj P Grammond P Sola D Ferraro C. Ramo-Tello M Slee T Kalincik C Solaro M Dreyer A Kermode D Wormser S Belachew T Spelman