Comparison of Postoperative Pain After Epidural Anesthesia Using 0.5%, 0.75% Ropivacaine and 0.5% Bupivacaine in Patients Undergoing Lower Limb Surgery: A Double-Blind Study.

Comparison of Postoperative Pain After Epidural Anesthesia Using 0.5%, 0.75% Ropivacaine and 0.5% Bupivacaine in Patients Undergoing Lower Limb Surgery: A Double-Blind Study.