| altered antibody pattern to epstein-barr virus but not to other herpesviruses in multiple sclerosis: a population based case-control study from western norway. | the prevalence of anti-ebv antibodies was studied in a group of 144 patients with multiple sclerosis and 170 age, sex, and area matched controls from the county of hordaland, western norway. the prevalence of three other herpesviruses, herpes simplex virus (hsv), varicella zoster virus (vzv), and cytomegalovirus (cmv), were also included. | 1998 | 9576551 |
| clustering of residence of multiple sclerosis patients at age 13 to 20 years in hordaland, norway. | geographic and temporal variation and migration studies point to an exogenous agent in the etiology of multiple sclerosis. if infectious etiology is involved, space-time clustering would also be expected. the authors analyzed 381 patients with a clinical onset of multiple sclerosis between 1953 and 1987 in the county of hordaland, norway. patients within the same birth cohort had lived significantly closer to each other than would be expected during ages 13-20 years, with peak clustering at age ... | 1991 | 1851394 |