Low cytomegalovirus seroprevalence in early multiple sclerosis: a case for the ‘hygiene hypothesis’?

1. Alari-Pahissa, E.
2. Moreira, A.
3. Zabalza, A.
4. Alvarez-Lafuente, R.
5. Munteis, E.
6. Vera, A.
7. Arroyo, R.
8. Alvarez-Cermeño, J.C.
9. Villar, L.M.
10. López-Botet, M.
11. Martínez-Rodríguez, J.E.