Heavy metals and multiple sclerosis in sardinian population (Italy)

1. Madeddu, R.
2. Forte, G.
3. Bocca, B.
4. Tolu, P.
5. Sotgiu, M.A.
6. Sotgiu, G.
7. Marchal, J.A.
8. Sotgiu, S.
9. Montella, A.