A Method to Estimate the Depth of the Sciatic Nerve During Subgluteal Block by Using Thigh Diameter as a Guide
Eric C. Crabtree, Marc Beck, Brian R. Lopp, Mace Nosovitch, John N. Edwards, André P. Boezaart
Regional Anesthesia & Pain Medicine Jul 2006, 31 (4) 358-362; DOI: 10.1016/j.rapm.2006.03.005