1. Genetic aspects of multiple sclerosis;Myrianthopoulos, N.C.,1985
2. The familial nature of multiple sclerosis: empiric recurrence risks for first, second and third degree relatives of patients;Sadovnick, A.D.; Macleod, P.M.J.;Neurology,1981
3. A population-based study of multiple sclerosis in twins;Ebers, G.C.; Bulman, D.E.; Sadovnick, A.D.;N Engl J Med,1986
4. Multiple sclerosis in a nationwide series of twins;Kinnunen, E.; Koskenvuo, M.; Kapprio, J.; Aho, K.;Neurology,1986
5. Epidemiology of multiple sclerosis;Kurtzke, J.F.,1985