1. The epidemiology of multiple sclerosis;Acheson,1972
2. Epidemiology of multiple sclerosis;Acheson;Br. Med. Bull.,1977
3. The distribution of multiple sclerosis in United States veterans by birthplace;Acheson;Am. J. Hyg.,1960
4. Early clinical manifestations of multiple sclerosis;Adams;Br. Med. J.,1950
5. Diet and the geographical distribution of multiple sclerosis;Agranoff;Lancet,1974