Horasanli, E.; Gamli, M.; Pala, Y.; Erol, M.; Sahin, F.; Dikmen, B. A Comparison of Epidural Anesthesia and Lumbar Plexus-Sciatic Nerve Blocks for Knee Surgery . Clinics 2010, 65 (1), 29-34. https://doi.org/10.1590/S1807-59322010000100006.