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3D-printed tablets of (a) theophylline (dried at 50 °C) ((a1) PVA and sorbitol, (b1) PVA and lactose and (c1) PVA and D-mannitol and (d1) PVP and lactose) and (b) scaffold (dried using vacuum flask at room temperature). Images reproduced with permission from [56,57]. Copyright Elsevier, 2020.
