1. Summary of the economic studies of the pseudorabies pilot projects;Alderink,1986
2. Factors associated with circulation of pseudorabies virus within swine herds;Anderson;J. Am. Vet. Med. Assoc.,1990
3. An investigation of risk factors for the spread of pseudorabies (Aujeszky's disease) in Illinois swine herds;Austin,1993
4. Factors affecting the geographic distribution of pseudorabies (Aujeszky's disease) virus infection among swine herds in Illinois;Austin;Prev. Vet. Med.,1992
5. Regulatory Statistics;Beal,1983