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Scanning electron microscope (SEM) images of conduits evaluated in this study. Cross sections of a (A, D) nonporous polyethylene (NP-PE) conduit, (B, E) porous E10-0.5(1K) [P-E10-0.5(1K)] conduit, and a (C, F) nonporous E10-0.5(1K) [NP-E10-0.5(1K)] conduit, respectively. Scale bar in each row: 100 μm.
