Detection of Lawsonia intracellularis, Serpulina hyodysenteriae, weakly beta-haemolytic intestinal spirochaetes, Salmonella enterica, and haemolytic Escherichia coli from swine herds with and without diarrhoea aming growing pigs - Moller, K; Jensen, TK; Leser, TD (Vet Microbiol, 1998)
et al.