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Quantification of tracer extravasation. Mean area of BDA (A) and HRP (B) extravasation from 4 h to 7 days post-PBBI. Data presented as means±standard error of the mean. Grey dashed line represents level of tracer extravasation in 24 h sham rats. *p<0.05 compared with sham rats by Student t test. †p<0.05 compared with the 24 h experimental group by one-way analysis of variance.
