Conference Proceedings

DEVELOPMENT OF A DISEASE DAMAGE INDEX IN SYSTEMIC SCLEROSIS: SURVEY OF EXPERTS AND ITEM REDUCTION USING RASCH MODELLING

N Ferdowsi, T Tay, M Baron, W Stevens, M Hudson, V Sundararajan, S Mancuso, J Burchell, C Rabusa, D Prior, S Proudman, M Nikpour

INTERNAL MEDICINE JOURNAL | WILEY-BLACKWELL | Published : 2015