Fig. 7From: Advances in the development of tubular structures using extrusion-based 3D cell-printing technology for vascular tissue regenerative applicationsClinical applications of tissue engineered vascular grafts using (a) coaxial and (b) triple-coaxial cell printing techniques. Reproduced from [110, 111] with permission from Wiley–VCH Copyright 2017 and AIP Publishing Copyright 2019Back to article page