Smerup, M., Pedersen, T. F., Nyboe, C., Funder, J. A., Christensen, T. D., Nielsen, S. L., Hjortdal, V., & Hasenkam, J. M. (2005). A Long-term Porcine Model for Evaluation of Prosthetic Heart Valves. The Heart Surgery Forum, 7(4), E259-E264. https://doi.org/10.1532/HSF98.20041015