1. Environment and animal health in piglet production;Bäckström;Acta vet. Scand. Suppl.,1973
2. Colibacillosis in pigs;Söderlind,1976
3. Enteric disease in newborn piglets, calves and lambs due to Escherichia coli infection;Sojka;Vet. Bull,1971
4. Aspects of colibacillosis in farm animals;Wray;J. Hyg. (Cambridge),1985
5. E. coli diarrhoea in neonatal piglets;Olsson,1984