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Schematic representations of the different strategies currently used in 3D bioprinting. (A) Stereolithography-based bioprinting based on DMD. (B) Inkjet bioprinting using (left) thermal or (right) piezoelectric actuation. (C) Laser-assisted bioprinting. (D) Extrusion-based bioprinting strategies. From left to right: pressure-based (illustrated without valve), piston-based, and screw based. (E) EBB.
