| 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 |