TY - GEN AU - Wilke,I AU - Dannenberg,H D TI - [Contribution to the occurrence of Aujeszky's virus in clinically healthy porkers from chronically infested pig fattening centers] SN - 0026-9263 PY - 1968///1125 KW - Animals KW - Neutralization Tests KW - Pseudorabies KW - epidemiology KW - Swine KW - Swine Diseases N1 - Publication Type: Journal Article ER -