A comparison of differences between the systemic pharmacokinetics of levobupivacaine and ropivacaine during continuous epidural infusion: A prospective, randomized, multicenter, double-blind controlled trial

1. Perotti, L.
2. Cusato, M.
3. Ingelmo, P.
4. Niebel, T.L.
5. Somaini, M.
6. Riva, F.
7. Tinelli, C.
8. De Andrés, J.
9. Fanelli, G.
10. Braschi, A.
11. Regazzi, M.
12. Allegri, M.