Feng, Chen, et al. “Three-Dimensional Bioprinting and Electrospinning of Cellulose Nanocrystal Polycaprolactone for Tracheal Scaffolds”. BioResources, vol. 17, no. 4, Nov. 2022, pp. 6341-57, https://ojs.bioresources.com/index.php/BRJ/article/view/22086.