Buchholz, N.; Budia, A.; Cruz, J.d.l.; Kram, W.; Humphreys, O.; Reches, M.; Valero Boix, R.; Soria, F. Urinary Stent Development and Evaluation Models: In Vitro, Ex Vivo and In Vivo—A European Network of Multidisciplinary Research to Improve Urinary Stents (ENIUS) Initiative. Polymers2022, 14, 1641. https://doi.org/10.3390/polym14091641