[CITATION][C] Epidural Levobupivacaine for hip arthroplasty anesthesia and analgesia.

…, P Weir, P Quinn, K Watkins, B Jennery… - Regional Anesthesia & …, 1998 - rapm.bmj.com

[CITATION][C] The efficacy and safety of epidural infusions of levobupivacaine with and without clonidine for postoperative pain relief in patients undergoing total hip …

…, P Weir, P Quinn, B Jennery… - …, 1998 - LIPPINCOTT WILLIAMS & WILKINS …