Christoph Neumann-Haefelin, David N. Frick, Jing Jing Wang, Oliver G. Pybus, Shadi Salloum, Gagandeep S. Narula, Anna Eckart, Andrea Biezynski, Thomas Eiermann, Paul Klenerman, Sergei Viazov, Michael Roggendorf, Robert Thimme, Markus Reiser, Jörg Timm
J Virol. 2008 Apr; 82(7): 3438–3451. Published online 2008 Jan 23. doi: 10.1128/JVI.01700-07