A double-blind comparison of clinical effects of Ropivacaine 0.5%, 0.75%, 1.0% and Bupivacaine 0.5%, injected epidurally, in patients undergoing hysterectomy. (March 1994) - Finucane, BT; Sandler, AN; McKenna, J; Milner, A; Friedlander, M; Reid, D; Muzyka, D; Chan, V; O'Callaghan-Enright, S