1. Multiple sclerosis;Lancet,1976
2. Current ideas of treatment of multiple sclerosis by steroids;Matthews,1978
3. Observations on the prevalence of multiple sclerosis in Northern Scotland;Sutherland;Brain,1956
4. Prevalence of disseminated sclerosis in the Faroes, the Orkneys and Shetland;Fog;Acta Psychiat Neurol Scand,1960