RT Journal Article SR Electronic T1 Critical exposure length for nerve block of myelinated fibers with lidocaine exceeds 3 nodes JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 46 OP 46 DO 10.1136/rapm-00115550-198813011-00046 VO 13 IS Suppl 1 A1 Stephen A. Raymond A1 Scott C. Steffensen A1 L. D. Gugino A1 Gary R. Strichartz YR 1988 UL http://rapm.bmj.com/content/13/Suppl_1/46.abstract AB