1. Differentiation between parasitic hepatitis and mycobacterial infections in pig livers;Alfredsen;Bull. Scand. Soc. Parasitol.,1992
2. An outbreak of tuberculosis in pigs and cattle caused by Mycobacterium africanum;Alfredsen;Vet. Rec.,1992
3. The Meat Inspection Instructions;Anonymous,1976
4. The meat Inspection Instructions,1976
5. The relationship between disease incidences of fatteners at slaughter and environmental factors in herds;Bäckstrøm;Nord. Vet. Med.,1978