Sciatic Nerve Block: A Comparison of Single versus Double Injection Technique
Steven L. Bailey, Stephen K. Parkinson, William L. Little, Steven R. Simmerman
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jan 1994, 19 (1) 9-13; DOI: 10.1136/rapm-00115550-199419010-00003