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Bioprinting for urethra replacement. (a) Multilayered tubular construction using multichannel coaxial extrusion system. Adapted with permission [104]. Copyright 2018 Wiley; (b) Cell-laden urethra built with PCL/PLCL and fibrin-based hydrogel. Adapted with permission [127]. Copyright 2017 Elsevier; (c) 3D printed PLGA/PCL/TEC tubular structure. Adapted with permission [145]. Copyright 2020 American Chemical Society.
