Guided tissue regeneration: porcine matrix does not transmit PERV
Biomaterials (2004) - Comments
pubmed: 15020135  doi: 10.1016/j.biomaterials.2003.10.040  issn: 0142-9612 

Klaus Kallenbach, Rainer G. Leyh, Elena Lefik, Thorsten Walles, Matthias Wilhelmi, Serghei Cebotari, Andreas Schmiedl, Axel Haverich, Heike Mertsching