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Relative gene expression levels, as assessed by quantitative PCR in all injury-treatment groups 4, 8, and 12 days after injury and treatment initiation as indicated in the legend: external urethral sphincter BDNF expression (A) and pudendal nerve βII-tubulin expression (B). Results shown are the means and standard errors of data from 3 to 5 animals. Irrespective of time point, x designates statistical significance of a difference from the sham injury group 12 days after injury.
