Weber, Constantin, Ziwen Gao, Samuel John, Thomas Lenarz, and Verena Scheper. “Development of Patient-Specific, Long-Lasting Bioabsorbable Sinus Implants in Patients With Chronic Frontal Sinusitis”. Transactions on Additive Manufacturing Meets Medicine 1, no. S1 (September 12, 2019). Accessed April 24, 2024. https://www.journals.infinite-science.de/index.php/ammm/article/view/114.