@misc{indiciae37966491c6c3, title = {Early onset multiple sclerosis: a longitudinal study.}, author = {A Boiko and G Vorobeychik and D Paty and V Devonshire and D Sadovnick and University of British Columbia MS Clinic Neurologists}, year = {2002}, doi = {10.1212/wnl.59.7.1006}, url = {https://pubmed.ncbi.nlm.nih.gov/12370453/}, note = {Source identifier: 12370453} }