@ARTICLE{
author={Drulovic Jelena S,Riise Trond,Nortvedt MW,Pekmezovic Tatjana D,Manigoda Miodrag},
year={2008},
title={Self-rated physical health predicts change in disability in multiple sclerosis},
journal={MULTIPLE SCLEROSIS},
volume={14},
number={7},
pages={999-1002},
document_type={Article},
} 

@ARTICLE{
author={Pugliatti Maura,Rosati G,Carton H,Riise Trond,Drulovic Jelena S,Vecsei L,Milanov Ivan},
year={2006},
title={The epidemiology of multiple sclerosis in Europe},
journal={EUROPEAN JOURNAL OF NEUROLOGY},
volume={13},
number={7},
pages={700-722},
document_type={Review},
}