Fig. 3.
(a) Grading distribution (percent) based on spinal level. (b) Mean stimulation intensity and grading at 50 Hz based on spinal level. (c) Stacked bar chart for rootlets sectioned (percent) based on grade
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.