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A time chart of epochs needing MD pump flushing. (A) Catheter perfused with Dextran 500 and (B) conventional (CNS) perfusion fluid. Light blue indicates an adequate fluid recovery whereas dark blue highlights an epoch where a flushing sequence was necessary given that we expected that an inadequate amount would be collected at the end of the epoch. CNS, central nervous system; MD, microdialysis. Color image is available online.
