@article {drb98, title = {Effect of repeated oral infection of hamsters with scrapie}, journal = {Journal of General Virology}, volume = {79}, year = {1998}, chapter = {609}, url = {http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.541.3587\&rep=rep1\&type=pdf}, author = {Diringer, H and Roehmel, J and Beekes, M} }