TY - GEN AU - Aldásy,P AU - Mocsári,E AU - Hrivnák,G TI - Veterinary Institute--Miskole Budapest, Hungary SN - 0324-1068 PY - 1975///0620 KW - Animals KW - Cattle KW - Cattle Diseases KW - epidemiology KW - Hungary KW - Intestinal Diseases KW - Respiratory Tract Infections KW - Serologic Tests KW - veterinary KW - Virus Diseases N1 - Publication Type: Journal Article ER -